C Code
Write a program that creates an an array large enough to hold 200 test scores between 55 and 99. Use a Random Number to populate the array. Then do the following:
1) Sort scores in ascending order.
2) List your scores in rows of ten(10) values.
3) Calculate the Mean for the distribution.
4) Calculate the Variance for the distribution.
5) Calculate the Median for the distribution
Answers
An example program in Python that meets the requirements you specified is given below.
How to write the programimport random
import statistics
# Create an empty list to hold the test scores
scores = []
# Populate the list with random scores between 55 and 99
for i in range(200):
score = random.randint(55, 99)
scores.append(score)
# Sort the scores in ascending order
scores.sort()
# Print the scores in rows of 10
for i in range(0, len(scores), 10):
print(scores[i:i+10])
# Calculate the mean, variance, and median of the scores
mean = statistics.mean(scores)
variance = statistics.variance(scores)
median = statistics.median(scores)
# Print the results
print("Mean:", mean)
print("Variance:", variance)
print("Median:", median)
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Related Questions
Please answer the following questions by looking at the code below
1. What is the connection between box1 and box4? What happens (memory wise) when both box1 and box 4 are declared null? (20 points)
2. In the Test2 class, there are two variables named a. What is the difference between the two variables? What concept does the output of the last three print statements demonstrate? Explain. (20 points)
3. In the Rectangle class, explain the implementation of the Rectangle(int l) constructor. (10 points)
4. In the Rectangle class, explain the implementation of the Rectangle(Rectangle other) constructor. (10 points)
Rectangle.java
public class Rectangle {
public int length;
public int width;
public Rectangle(int l, int w) {
length = l;
width = w;
}
public Rectangle(int l) {
this(l, 10);
}
public Rectangle(Rectangle other) {
this(other.length, other.width);
}
}
Test2.java
public class Test2
{
static int a;
public static void main(String[] args)
{
Rectangle box1 = new Rectangle(10,10);
Rectangle box2 = new Rectangle(box1);
Rectangle box3 = new Rectangle(10);
Rectangle box4 = box1;
box1 = null;
System.out.println("box(l,w) = (" + box2.length + "," + box2.width + ")");
System.out.println("box(l,w) = (" + box3.length + "," + box3.width + ")");
System.out.println("box(l,w) = (" + box4.length + "," + box4.width + ")");
box2 = null;
System.out.println("\n");
a = 0;
System.out.println("a = " + a);
int a;
a = 100;
System.out.println("a = " + a);
System.out.println("a = " + Test2.a);
}
}
Answers
Primitive variables containing primitive types and object or reference variables containing references to objects of a Java class.
References are how you find your item (just like a UPS tracking number helps you find your package). The basic types of Advanced Placement Computer Science A exams are:
int - stores integers (numbers like 3, -76, 20393)
double - stores floating point numbers (decimal numbers like 6,3 -0,9 and 60293,93032).
boolean - stores a Boolean value (true or false).
A String object consists of a series of characters enclosed in double quotes, such as "hello".
To create a variable, you have to tell Java its data type and name. Types are keywords such as int, double, Boolean, but you can create names for variables.
When you create a primitive variable, Java reserves enough bits in memory for that primitive type and maps that memory location to the name you used.
Computers store all values in bits (binary). A bit can represent two values, and we usually say that the value of a bit is either 0 or 1. When you declare a variable, you have to tell Java what type it is.
This is because Java needs to know how many bits it uses to represent values. All three different primitive types require different numbers of bits. An integer gets 32 bits of storage, a double gets 64 bits of storage, and a boolean value can be represented with just one bit.
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Consider the following code segment. ArrayList numList = new ArrayList (); numList.add(3); numList.add(2); numList.add(1); numList.add(1, 0); numList.set(0, 2); System.out.print(numList); What is printed by the code segment? [1, 3, 0, 1] [2, 0, 2, 1] [2, 0, 2, 3] O [2, 3, 2, 1] O [3, 0, 0, 1]
Answers
The code segment will print [2, 0, 2, 1].
In the given code segment, an Array List named "numList" is created using the default constructor. Then, four elements are added to the list using the add() method: 3, 2, 1, and 1.
The statement "numList. add(1, 0)" inserts the element 0 at index 1, shifting the existing elements to the right. So, the list becomes [3, 0, 2, 1, 1].
The statement "numList. set(0, 2)" replaces the element at index 0 with the value 2. The list becomes [2, 0, 2, 1, 1].
Finally, the statement "System. out. print(numList)" prints the elements of the ArrayList, resulting in [2, 0, 2, 1] being displayed.
Therefore, the correct answer is [2, 0, 2, 1].
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Add the member function heapremove () to the heap class. the heapremove() returns the value of the removed node.
Answers
To add the member function heap remove() to the heap class, you can follow these steps:
1. Declare the heapremove() function in the class definition of the heap. It should have a return type of the node value that will be removed from the heap.
2. Check if the heap is empty. If it is, return a message indicating that the heap is empty and there are no nodes to remove.
3. If the heap is not empty, store the value of the root node in a temporary variable to return it later.
4. Replace the root node with the last leaf node in the heap.
5. Decrease the size of the heap by one.
6. Perform the heapifyDown() operation on the root node to maintain the heap property.
7. Finally, return the value of the removed node that was stored in the temporary variable.
In summary, the heapremove() function in the heap class removes the root node from the heap, returns its value, and maintains the heap property. The function checks if the heap is empty and returns an appropriate message if so. Otherwise, it replaces the root node with the last leaf node, decreases the size of the heap, and performs heapifyDown() to maintain the heap property.
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You manage a network that uses a single switch. All ports within your building connect through the single switch. In the lobby of your building are three RJ45 ports connected to the switch. You want to allow visitors to plug into these ports to gain internet access, but they should not have access to any other devices on your private network. Employees connected throughout the rest of your building should have both private and internet access. Which feature should you implement
Answers
Answer:
VLANs
Explanation:
Virtual LANs (VLANs) are a type of network connection or arrangement of network devices in the same broadcast domain. They are called Virtual LANs because they represent fractions or subgroups in the switch ports found in an Ethernet LAN.
Indeed, because of their topological arrangement, this reduces the security risk of unauthorized access to sensitive data or devices since the host can be placed on a different VLAN. Hence, in this scenario, using this network feature would allow visitors to plug into these ports to gain internet access, but they would not have access to any other devices on the private network.
Which should be addressed by stakeholders when reviewing the problem statement? Select all that apply.
All possible outcomes have been thoroughly researched and rejected.
The problem as they see it has been addressed.
The solution proposed will meet their needs.
The needs of their colleagues are being met.
All issues and constraints have been identified.
Answers
The statement that should be addressed by stakeholders when reviewing the problem statement are the problem as they see it has been addressed, the solution proposed will meet their needs and all issues and constraints have been identified.
What are the elements of an effective problem statement?An effective problem statement includes the description of the problem and the method that will be used to solve the problem.
The problem as they see it has been addressed, the solution proposed will meet their needs and all issues and constraints have been identified are the statement that should be addressed by stakeholders when reviewing the problem statement.
Therefore, B, C and E are the correct options.
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When you are framing the questions you will use data analytics to answer, what is the key to how you frame your questions?
Answers
When you are framing the questions you will use data analytics to answer, the key to frame the question is make it more specific to get a specific reply.
What are analytics questions?Analytical questions are the questions that are asked about the person, the questions can be asked in an interview.
Analytical questions are where you have worked?, what you think about yourself, etc.
Thus, the key to frame the question is to make it more specific to get a specific reply.
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Select the correct answer.Anne is creating a website where she can share music that her band created. She needs to make sure that the file size is small enough to allow her fans to stream the audio over the Internet. Which format should she use to save her audio
Answers
Anne should use B: MP3 format to save her audio files.
MP3 is a standard technology and format for compressing an audio sequence into a very small file - about one-twelfth the size of the original file - while preserving the original level of audio quality when it is played. It means that the MP3 format is only for audio files and can reduce the size of audio files substantially while barely affecting the quality of the audio.
So in the given scenario where Anne wants to share music created by her band on her website. Further, she wants to ensure that the audio file size is small enough to permit her fans to stream the music over the Internet. The appropriate file format would be MP3.
"
Complete question:
Select the correct answer.Anne is creating a website where she can share music that her band created. She needs to make sure that the file size is small enough to allow her fans to stream the audio over the Internet. Which format should she use to save her audio
A. WMV
B. MP3
C. JPEG
D. MP4.
"
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What do you mean by Data Types? Give Examples.
Ms Access question
Answers
Answer:
This answer is quite late, but data types are basically categories that differentiate stuff in python.
A few examples would be:
String - Anything that has single or double-quotes around it. The input( ) function automatically returns a string, unless changed.
Int - An integer. Any whole number.
Float - Any decimal number.
List - a variable in which you can store multiple different elements. (Strings, integers, floats, tuples, lists, etc...)
Also, sorry if my English isn't perfect. English isn't my first language.
Explanation:
Don't know. Just some stuff I remember from my python class. ∞
this text command defines how text will appear
Answers
In programming, the text command is not a specific command, but rather a term used to refer to a wide range of commands and functions that manipulate or display text.
What is a text command?Text commands may include functions for formatting, searching, replacing, and displaying text within a program or on a screen. These commands may be used in a variety of programming languages, including C, as you mentioned.
In C, for example, there are many standard library functions that can be used to work with text. Some of the most commonly used functions for working with text in C include:
printf(): used to display formatted text on the screen or in a file
scanf(): used to read formatted text from the keyboard or a file
strcpy(): used to copy one string of text to another
strcmp(): used to compare two strings of text to determine if they are equal
strlen(): used to determine the length of a string of text
Overall, text commands are a crucial part of programming and are used extensively in applications that involve working with text data.
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For this challenge you will need to write a program that will produce the display for the individual frames, given the user inputting the number of pins knocked down in each frame of bowling.
Rules:
• The game of bowling consists of 10 frames, where a player gets 2 attempts to knock down 10 pins.
• If the player knocks down all 10 pins on the first roll, that should be displayed as X, and the next number will be the first roll of the next frame.
• If the player doesn't knock down any pins, that should be displayed as -
• If the player gets a spare (knocks down the remaining pins on the second roll of the frame, that should be displayed as /
The user will input integers tha represent the number of pins that have been kncked down on each roll. The list is not a fixed size, as bowling a perfect game requires only 12 rolls, while most games would use more rolls. Use anvil to make this and send the link.
Answers
This method takes a list of numbers that represent how many pins were knocked down on each roll and outputs a string that displays the separate frames in accordance with bowling rules.
In bowling, how many pins are there?At the start of each frame, ten pins are placed at the end of the bowling lane. With the triangle's point towards the bowler, they are positioned in a triangle arrangement.
function score(display frames):
body num = 1
0 for roll num
Result: ""
range(len(scores)) for I
If roll num = 3 and frame num = 10:
break
If roll num = 1 and scores[i] = 10:
result += "X "
frame num plus one
if roll num == 1, then
score(s[i]) + output += str(i) + " "
roll num plus one
else:
if scores[i-1] plus scores[i] equal 10, then
result += "/ "
else:
score(s[i]) + output += str(i) + " "
frame num plus one
0 for roll num
bring back output.strip ()
# A sample of usage
Result = [10, 7, 3, 9, 0, 10, 0, 8, 8, 2, 0, 6, 10, 10, 10, 8, 1]
print(display frames(scores)) # Results: X 7/9 - X 0/8 - X X/X/X 8 1
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One of the advantages of communicating using social media is that you can use it to
a create a fake website
b promote and share your ideas
c push someone to do something he or she doesn't want to do
dshare your personal information
Answers
Answer:
b is correct because you can promote your ides others
The attributes and relationships associated with a particular entity will be somewhat similar across databases. T/F
Answers
The attributes and relationships associated with a particular entity will be somewhat similar across databases. is false.
What are the definitions of entity attribute relationship and metadata that are particular to databases?A property of an entity is described by an attribute, which is a name and a data type combination. Relationship: A connection between two entities that the database keeps track of. Database management system (DBMS) data that specifies the tables and properties of a database is known as metadata.Each row may be used to establish a relationship between multiple tables using a foreign key, which is a reference to a primary key of an existing table. All tables in a relational database have an attribute known as the primary key, which is a unique identifier of a row.To learn more about attributes refer to:
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The getDefaultDisplay method from the WindowManager interface returns a __________________ reference.
Answers
Answer:
the answer is "display reference"
What is the difference between an embedded image and an attached image? An embedded image is displayed as an image in the body of an email, but an attached image is not. An embedded image is displayed as a paper clip in the content of an email, but an attached image is not. An attached image takes on a larger file size due to the extra data required to create the attachment. An attached image is a smaller file size due to the compression that takes place during the attachment process.
Answers
Answer:
An embedded image is displayed as an image in the body of an email, but an attached image is not.
Explanation:
This is the answer.
Answer:
it is a
Explanation:
How are charts inserted into a PowerPoint slide?
O Open the chart in Excel, click it and drag it into the slide.
O Double-click the chart in Excel, and click inside the slide to paste it into the presentation.
O Use the Copy tool to copy the chart from Excel and the Paste tool to insert it into the slide.
O Take a screenshot of the chart from Excel and paste it into the slide using the Paste tool.
Answers
Which finger types the highlighted keys?
Answers
Answer:
Index
Explanation:
The index finger lays positioned upon the 4 key.
For which of the following are music editors responsible? (Select all that apply).
editing a film’s score
structuring the soundtrack
shooting interiors
editing a film’s musical soundtrack
Answers
Answer:
A: structuring the soundtrack
B: editing a film's score
D: editing a films musical soundtrack
Explanation:
edg2021
(other test answers:
(all but "long-lasting shots of the characters speaking"
true (that film editors review footage and notes from director...)
computer graphics
it indicates an exterior shot of an urban street scene )
Write a function sqsum of type int - > int that takes a non-negative integer it and returns the sum of the squares of all the integers 0 through n
Answers
The function "sqsum" takes a non-negative integer as input and calculates the sum of the squares of all integers from 0 to the given input.
The function "sqsum" is designed to calculate the sum of the squares of integers from 0 up to the given non-negative integer, denoted as 'n'. To achieve this, the function uses a loop that iterates from 0 to 'n'. During each iteration, the current integer is squared and added to a running total. This process continues until the loop reaches 'n'. Finally, the function returns the accumulated sum of the squares.
Here is an example to illustrate how the function works: If we call the "sqsum" function with the input 'n' as 4, the function would calculate the sum of the squares of 0, 1, 2, 3, and 4. It would square each integer (0^2, 1^2, 2^2, 3^2, 4^2) and add them together (0 + 1 + 4 + 9 + 16 = 30), resulting in the returned value of 30. This process can be applied to any non-negative integer, and the function will accurately compute the sum of the squares for that range.
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how drone technology can impact recreation and entertainment
Answers
Drones are become more advanced than ever before. Are now, they are starting to impact recreation. They are small, light, and can maneuver incredibly fast. They are being used in movies, skits, short films, and even high-end videos. Here are some ways drones are changing entertainment:
- Providing high-quality filming, even from 200 feet in the air.
- Reaching spaces where bulky helicopters cannot fit into safely
- Laser shows, where drones shine lights and lasers.
Right now, if you tried to hold your phone still to capture a video, you would not be able to do it. Upon checking the footage, you would see the camera shaking, even if it's just tiny bit. While you can lean it on a surface to fix this, it simply cannot be done in the air to capture. Not to worry, though, you've got drones. They can shoot a steady shot 200 feet in the air. The only thing that could rival drones are expensive, bulky choppers. The drones are cheaper and are mass produced.
However, drones are not only being used to filming movies and films. They are also being used for a different kind of entertainment: Shows. Drones move in formation and shine lights in the night sky, like we saw in the Winter Olympics. They are truly stunning(pics attached).
17.35 ma of current is flowing though a brown-red-brown resistor,what is v
Answers
Answer:
2.1V
Explanation:
brown-red-brown = 120Ω
V = I·R = 17.35 · 120 = 2.082V
However, the tolerance of the resistor is at least 10%, so you can't express the voltage that accurate.
Using the Caesar cipher, "HELLO" is encrypted to "OLSSV" by applying a shift of 7. The number 7 is considered the __________
Answers
Answer:
The offset
Explanation:
In the question, we understand that the original text is HELLO and the encrypted text is OLSSV.
It should be noted that O replaced H, L replaced E, S replaced L and V replacement O.
This is made possible by a term refered to as offset.
The offset is used to determine the character that will replace another when it is encrypted.
7 characters after H is O; this is same for every other characters in the text.
The example given represents a simple shift cipher encryption with each letter in the original text shifted by a fixed value. Hence, the shift value of 7 used in the cipher given is called the key.
Each alphabet on the original text, HELLO is shifted by the key 7 to produce :
H + 7 alphabets gives OE + 7 alphabets gives LL + 7 alphabets gives SL + 7 alphabets gives SO + 7 alphabets gives VThis produces the encryption OLSSV, hence, with the shift of 7 known the encryption letters are each reversed by 7 to obtain the actual phrase 'HELLO'.
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virtual conections with science and technology. Explain , what are being revealed and what are being concealed
Answers
Some people believe that there is a spiritual connection between science and technology. They believe that science is a way of understanding the natural world, and that technology is a way of using that knowledge to improve the human condition. Others believe that science and technology are two separate disciplines, and that there is no spiritual connection between them.
What is technology?
Technology is the use of knowledge in a specific, repeatable manner to achieve useful aims. The outcome of such an effort may also be referred to as technology. Technology is widely used in daily life, as well as in the fields of science, industry, communication, and transportation. Society has changed as a result of numerous technological advances. The earliest known technology is indeed the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped fuel the Ice Age development of language and the expansion of the human brain. The Bronze Age wheel's development paved the way for longer journeys and the development of more sophisticated devices.
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security is not a significant concern for developers of iot applications because of the limited scope of the private data these applications handle.
T/F
Answers
The statement suggesting that security is not a significant concern is not accurate, hence it is a false statement.
While it is true that some IoT applications may handle a limited scope of private data, it does not mean that security can be disregarded. Several reasons highlight the importance of security in IoT applications:
1. Vulnerabilities Exploitation: IoT devices and networks can have vulnerabilities that attackers can exploit. These vulnerabilities can be used to gain unauthorized access, tamper with devices, or launch attacks on other systems. Ignoring security measures can lead to serious consequences.
2. Privacy Protection: Even with a limited scope of private data, user privacy is still important. IoT applications often process personal information, such as location data, health records, or behavior patterns. Failure to protect this data can result in privacy breaches and harm to individuals.
3. Botnet Formation: Compromised IoT devices can be harnessed to form botnets, which are networks of infected devices used to launch large-scale attacks. Neglecting security can contribute to the proliferation of botnets and endanger the overall stability and security of the internet.
4. System Integration: IoT applications often integrate with other systems, such as cloud platforms or backend servers. Weak security measures can create vulnerabilities in the overall system, leading to unauthorized access, data breaches, or disruption of critical services.
5. Regulatory Requirements: Many industries and regions have specific regulations and standards regarding data security and privacy. Developers of IoT applications need to comply with these regulations to ensure legal and ethical practices.
Considering these factors, security should be a top priority for developers of IoT applications. Implementing strong security measures, such as encryption, access controls, secure coding practices, and regular updates, is essential to protect the integrity, privacy, and reliability of IoT systems.
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50 POINTSSS!!! Select the various storage management tools.
Disk Cleanup
Cleaning a desktop
Check Disk
Checking for errors
Disk Defragmenter
Cleaning a keyboard
Windows Update
THERE ARE MULTIPLE
Answers
Explanation:
cleaning a desktop
and cleaning a keyboard
Answer:
The answer above me is wrong and Cleaning a desktop and Cleaning a keyboard have nothing to do with storage management tools.
The correct answers are:
Disk Defragmenter
Check Disk
Checking for errors
Disk Cleanup
What type of error is raised when the Python virtual machine runs out of memory resources to manage a process
Answers
Stack overflow error is the type of error is raised when the Python virtual machine runs out of memory resources to manage a process.
How can you define a stack overflow error example?JVM will generate a StackOverflowError during this process if there is not enough room to store the new stack frames that must be constructed. Consider this: improper or nonexistent termination conditions This is mostly what leads to the condition known as unterminated or infinite recursion.
Why do Java stack overflow errors occur?The Javadoc description for StackOverflowError notes that the error is generated as a result of too deep recursion in a specific code snippet as the most frequent cause for the JVM to experience this circumstance.
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►Write
a python program that will convert Fahrenheit Temperature to Celsius and
Celsius Temperature to Fahrenheit
►Formulae
needed:
►°C
= (°F – 32) x 5/9
►°F
= (°C × 9/5) + 32
Answers
Answer:
import math
C_or_F = input("Enter C for Celcius or F for Farenheit: ")
if C_or_F == 'F':
F = int(input("Enter degrees in Fahrenheit: "))
Fahrenheit =(F-32)*(5/9)
print(Fahrenheit,"°")
if C_or_F == 'C':
C = int(input("Enter degrees in Celcius: "))
Celcius = (C*(9/5))+32
print (Celcius,"°")
Explanation:
The first input determines if it is Fahrenheit or Celcius. The second inputs determine how many degrees in that unit of temperature.
what do you think of zara’s approach to it in 2003? what current or potential strengths and weaknesses do you see in zara’s approach?
Answers
Zara's approach to IT in 2003 was both innovative and controversial. The fast-fashion retailer's in-house, minimalistic IT strategy was pivotal to its operations, providing certain strengths but also revealing potential weaknesses.
One of Zara's main strengths was its ability to rapidly respond to market trends, facilitated by its streamlined IT system, which was efficiently integrated into its business model. However, its refusal to upgrade the outdated DOS-based Point of Sales systems could be seen as a weakness. This minimalistic approach risked becoming obsolete, potentially hampering scalability and exposing the company to security risks. The company would need to balance the need for cost-efficiency with the necessity of staying technologically relevant.
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Which process refers to starting up a computer?
Is the process of starting a computer.
Reset
Next
Answers
Isabela wants to edit a presentation for her science class. she is in the main view of the powerpoint application. how can she access her presentation? go to the backstage view, and click options. click the file tab, and click the open option. click the quick access toolbar, and click the open option. type in the name of the file in the search field, and click open.
Answers
The Isabela access her presentation for her science class by clicking the file tab, and clicking the open option.
What is power point presentation?Power point presentation is a softwere which display the data with the help of collection of slides.
Isabela wants to edit a presentation for her science class. She is in the main view of the powerpoint application.
Form the main view to access her presentation, Isabela need to follow the following steps-
Click the file tab which is at the main menu.Now she need to click the open option, which appers under the file tab.Thus, the Isabela access her presentation for her science class by clicking the file tab, and clicking the open option.
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Answer: It’s B, Click the File tab, and click the open option
Explanation:
just got it right on edge
to examine the router's routing table, a cisco administrator would enter which command?
Answers
To examine the router's routing table, a Cisco administrator would enter the "show ip route" command. This command provides a detailed view of the router's routing table, including all the available routes, their metrics, and the next-hop information.
To examine the router's routing table, a Cisco administrator would enter the command "show ip route." This command provides a detailed view of the routing table, allowing the administrator to assess the current routing configuration and troubleshoot if necessary.
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