The values for ss and variance for the following sample of n = 3 scores are 18 , 9 respectively.
Mean: (1+4+7)/3 = 4
Difference between each score and mean:
1-4= -3
4-4 = 0
7-4 = 3
List of squared difference: 9, 0, 9
Sum of squared difference: 9+0+9 = 18
Variance = SS/n-1 = 18/2 = 9
SS, often known as the sum of squares or just SS, stands for the sum of squared deviations from the mean and is a crucial concept in statistics.
Variance. Variance is created by the sum of the squares. The variance is calculated as the first use of the term SS.
Calculating control limits to determine the range of results anticipated when the performance of the laboratory method is steady is a typical use of these statistics.
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orphan record example?
Answer:
If we delete record number 15 in a primary table, but there's still a related table with the value of 15, we end up with an orphaned record. Here, the related table contains a foreign key value that doesn't exist in the primary key field of the primary table. This has resulted in an “orphaned record”.
2.32 LAB: Musical note frequencies On a piano, a key has a frequency, say f0. Each higher key (black or white) has a frequency of f0 * rn, where n is the distance (number of keys) from that key, and r is 2(1/12). Given an initial key frequency, output that frequency and the next 4 higher key frequencies. Output each floating-point value with two digits after the decimal point, which can be achieved by executing cout << fixed << setprecision(2); once before all other cout statements. Ex: If the input is: 440.0 (which is the A key near the middle of a piano keyboard), the output is: 440.00 466.16 493.88 523.25 554.37
Answer:
Explanation:
\(\text{This is a python code:}\)
\(\text{import math}\)
\(your {\_} {value 1 }= float(inpu \ t ())\)
\(your{\_}value 2 = your{\_}value1*math.exp(1 * math.log(2) / 12)\)
\(your{\_}value 3 = your{\_}value1*math.exp(2 * math.log(2) / 12)\)
\(your{\_}value 4 = your{\_}value1*math.exp(3 * math.log(2) / 12)\)
\(your{\_}value 5 = your{\_}value1*math.exp(4 * math.log(2) / 12)\)
\(print('\{:.2f\} \{:.2f\} \{:.2f\} \{:.2f\} \{:.2f\}'.format(your\_value1, \ your\_value2, \ your\_value3,\)\(\ your\_value4, \ \ your\_value5))\)
\(\mathbf{OUTPU \ T :}\)
\(\mathbf{440.00 \ 466.16 \ 493.88 \ 523.25 \ 554.37}\)
The code for musical note frequencies On a piano, a key has a frequency, say f0 is in the explanation part below.
Here is a C++ program to the stated problem:
#include <iostream>
#include <iomanip>
#include <cmath>
int main() {
double frequency;
std::cout << "Enter the initial key frequency: ";
std::cin >> frequency;
std::cout << std::fixed << std::setprecision(2); // Set output precision to 2 decimal places
std::cout << frequency << " ";
for (int i = 1; i <= 4; ++i) {
frequency *= std::pow(2, 1.0 / 12); // Calculate the next frequency
std::cout << frequency << " ";
}
return 0;
}
Thus, in this program, we use the user's original key frequency as input. The starting frequency and the following four higher key frequencies are then calculated and produced using a loop.
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question 8: how is the public key distributed in an orderly, controlled fashion so that the users can be sure of the sender's identity?
A digital certificate is a document that has been digitally signed and contains the public key of a person or organisation as well as details regarding holder's identity, the certificate's validity, and the certificate itself.
How are public keys distributed in a controlled manner?In public key cryptography, public key servers distribute public keys to users. When someone a key pair, they upload the public key while keeping the private key private.
Which of the following is not a method for public key distribution?Public-Key certificates, hashing certificates, publicly accessible directories, and public-key authorities are just a few examples. See Response Response: b Justification: Certain certificates are hashed
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Create a secure password (10 points)
Ask the user how long they want their password to be, then return a randomized password that includes all the letters of the alphabets, capitalization, numbers, and special characters.
Answer:
python
Explanation:
import random
secret_length = input("how long you want the secret to be?\n")
secret_length = int(secret_length)
characters = r"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$%^&*("
secret = ""
for i in range(secret_length):
secret = secret + random.choice(characters)
print(secret)
Question 1
1 pts
(02.01 MC)
Jackie used the software development life cycle to create a new game. Jackie ran her code to make sure it
worked and had no errors.
Which stage of the software development life cycle is Jackie currently in?
o Coding
O Maintenance
O Planning & Analysis
Testing
Answer:
she is running a maintenance to make sure everything works
what part of an expert system provides the reasoning capability, namely the ability to answer users' questions, provide recommendations for solutions, generate predictions, and conduct other relevant tasks?
The part of an expert system that provides the reasoning capability, namely the ability to answer users' questions, provide recommendations for solutions, generate predictions, and conduct other relevant tasks is an: D) inference engine.
What is an expert system?In Computer technology, an expert system can be defined as a form of artificial intelligence (AI) which typically involves a computer system imitating the decision-making styles and reasoning capabilities of human beings.
The two types of expert system.Generally speaking, there are two (2) main types of expert system and these include the following:
Inference engine.Knowledge base.In conclusion, inference engine is a type of expert system that provides the reasoning capability of human beings.
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Complete Question:
What part of an expert system provides the reasoning capability, namely the ability to answer users' questions, provide recommendations for solutions, generate predictions, and conduct other relevant tasks?
A) knowledge acquisition
B) knowledge representation
C) user interface
D) inference engine
Does each box at the fruit stand contain a different fruit?
In [164]:
# Set all_different to "Yes" if each box contains a different fruit or to "No" if multiple boxes contain the same
fruit all_different = "No" all_different
Out[164]: 'No' In [165]: _
= ok.grade('q6_3')
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Running tests
Answer:
yes
Explanation:
The value of the variable all_different is: all_different = No
Complete questionDoes each box at the fruit stand contain a different fruit? Set all_different to True if each box contains a different fruit or to False if multiple boxes contain the same fruit.
Hint: You don't have to write code to calculate the True/False value for all_different. Just look at the inventory table and assign all_different to either True or False according to what you can see from the table in answering the question.
box ID fruit name count
53686 kiwi 45
57181 strawberry 123
25274 apple 20
48800 orange 35
26187 strawberry 255
57930 grape 517
52357 strawberry 102
43566 peach 40
all_different = ...
How to determine the true statement?From the hint given, we can see that writing a code is not necessary.
All we need to do is to scan through the table.
From the given table, we can see that there are several fruits on the table.
These include peach, kiwi, grape, strawberry, etc.
Since the fruits are different, then the value of the variable all_different is:
all_different = No
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If you were to design a real robot that would be responsible for cleaning up trash, what 4 (or more) commands would you give it and what would each one do? (4 complete sentences)
Answer:
classify, sweep, recycle, wash
Explanation:
classify: to differentiate between garbage, recyclables and washable objects
sweep: to clean the dust and dirt
recycle: to collect recyclable objects and separate them from garbage
wash: to collect dirty objects and clean them instead of throwing them away
2) State True or False. 1. Abacus is an electronic device. 2. ROM is read and writes memory of computer. 3. Header and footer appear at the top and bottom of 4. The first microprocessor is INTEL 4004. 5. CTRL + A is used to print data in M.S. word. Answer the following questions:
Answer:
1 false
2 false
3 false
4 true
5 false
Explanation:
Answer:
False, True, True, True, False
Explanation:
1. False, it is a calculation device not electronic device.
2. True
3. True, Header appear at the top and Footer appear at the bottom.
4. True
5. False, Ctrl + A in MS Word or other text platforms is used to select all the text, not to print data in MS Word. To print data in MS Word or other text platforms we use Ctrl + P.
which type of list is best suited for items that do go in a specific order?
A numbered list is best suited for items that do go in a specific order.
What is Lists?
Lists are a type of data structure that allow for the storage and retrieval of data in an organized fashion. They are used to store collections of data, such as names, numbers, and objects, and can be manipulated to perform various operations. Lists can be used in various programming tasks, including sorting and searching. They are also used in databases to represent tables, and can be used to store linked lists and other data structures. Lists can also be used to store and manipulate data structures such as trees and graphs.
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What are the most common malware types? How do you safeguard computer systems against malware? Why do you need to train users of computer systems to be vigilant about malware? What are some of the most recent malware attacks that you read or herd about in the news media?
Common Malware Types:
· Viruses
· Worms
· Trojans
· Ransomware
· Spyware
· Adware
Protections From Malware:
· Firewall Software
· Anti-Virus Software
PLS HELP!!
In two to three paragraphs, come up with a way that you could incorporate the most technologically advanced gaming into your online education.
Make sure that your paper details clearly the type of game, how it will work, and how the student will progress through the action. Also include how the school or teacher will devise a grading system and the learning objectives of the game. Submit two to three paragraphs.
Incorporating cutting-edge gaming technology into web-based learning can foster an interactive and stimulating educational encounter. A clever method of attaining this goal is to incorporate immersive virtual reality (VR) games that are in sync with the topic being taught
What is the gaming about?Tech gaming can enhance online learning by engaging learners interactively. One way to do this is by using immersive VR games that relate to the subject being taught. In a history class, students can time-travel virtually to navigate events and interact with figures.
In this VR game, students complete quests using historical knowledge and critical thinking skills. They may solve historical artifact puzzles or make impactful decisions. Tasks reinforce learning objectives: cause/effect, primary sources, historical context.
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Computing hardware, computers using vacuum tubes were called the first generation; transistors and diodes, the second; integrated circuits, the third; and those using microprocessors, the fourth
OkkKkkkkkEYEYYEYEYEY BYEYYEYEYEyeeyeyyeEYEy if you know you know
Answer:
okkkkkkkkkkeyyyyyyy
Explanation:
byeeeee
Why should you delete files from your computer?
so that you will have less work to do
because only one hundred files can be saved in a directory
to increase the computer's efficiency
to improve your productivity
to increase the computer's efficiency
Explanation
The more files it holds, the more "jobs" it has to run, which means that you're computer would be using the same amount of energy running all of them as to less of them. When you close (or delete) some files, it allows the computer to concentrate on only running a smaller amount of files as oppose to a large amount.
hope it helps!
Answer:
To increase the computer's efficiency.
Explanation:
Having a bunch of files will most likely slow down your computer and make things harder to do. If you don't have a bunch of files, though, your computer will be faster and easier to guide through.
I hope this helps :)
what would the input, process, outcome and feedback be for a class assignment
no sé hablar inglés tu pregunta no entiendo
With solver, you can change the values of up to 500 cells at one time to reach a goal in the objective cell.
a. trueb. false
The same fundamental kinds of organic molecules make up every cell in the body:
What do you meant by cell membrane?The control over material entry and exit from cells is the primary role of the cell membrane. Consequently, semipermeable membrane is another name for it. constitute the majority of cellular membranes, including plasma membranes and interior membranes.
The live membrane of the cell has tiny pores throughout it. Only specific chemicals can pass through the semi-permeable membrane because of its nature. A strong, non-living cell wall surrounds the live substances protoplasm and protoplast that are found within the membrane of bacteria.
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Give 15 examples of copyright and trademarks that we come in contact with everyday. (Doesn't hve to be 15 could be 3 or 5) PLEASEEEE HELPPPP
Put the steps in order to produce the output shown below. Assume the indenting will be correct in the program.
4.0
1. Line 1
•def divide(numA, numB):
2. Line 2
•print (answer)
3. Line 3
•answer = divide(24,6)
4. Line 4
•return numA / numB
Answer:
Correct arrangement
•def divide(numA, numB):
•answer = divide(24,6)
•return numA / numB
•print (answer)
Explanation:
The program is written in Python code.
The correct arrangement is as shown;
1. Line 1
•def divide(numA, numB):
#This line defines a function that calls in 2 numbers in parenthesis as the argument
2. Line 2
•answer = divide(24,6)
#This line assigns the argument with numbers and stores it with a variable called 'answer'
3. Line 3
•return numA / numB
#This line returns the required division
4. Line 4
•print (answer)
#This line prints out the answer to the console. The answer of which is 4
do u have all the subjects
3. _________refers to the facts or raw material, which are processed to get the information.
Answer:
data
Explanation:
because data is the raw material and it is 100% processed to get anbinformation
What are the basic tasks performed by an operating system?
Answer:
An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Explanation:
i hope it helps:)
A. Formulate a related decision problem for the independent-set problem, and prove that it is NP-complete. (Hint: Reduce from the clique problem. )
b. Suppose that you are given a "black-box" subroutine to solve the decision prob- lem you defined in part (a).
Give an algorithm to find an independent set of max- imum size. The running time of your algorithm should be polynomial in jV j and jEj, counting queries to the black box as a single step
If a problem is in NP, then we can verify (ask whether the solution provided is accurate or not) the certificate in polynomial time given a "certificate,”. Which is a solution to the issue and an instance of the issue (in this case, a graph G and a positive integer k).
What proof that it is NP-complete?An NP-Complete issue can be solved in polynomial time by a non-deterministic Turing machine. If and only if there is an NP-Complete issue, such as Y, that can be reduced into a NP-Hard concern, X, in polynomial time, can NP-Complete concerns be solved.
Therefore, If a concern is included in both NP and NP-Hard Problems, it is said to be NP-Complete.
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This type of mutation occurs when one or more base pairs are added to the gene sequence.
match the technology term with its definition
Answer:
there is no picture
Explanation:
Which three devices can perform both input and output operations
Answer:
router ,speaker, and nic card
Explanation:
Can someone answer this for me will award brainliest lol
Answer: Without GUI's being developed, we most likely would still be using terminal systems. Terminals require command/text input rather than mouse or other input. The invention of GUI's enabled people to use simpler input methods, rather then clunky text input systems. To sum, GUI's simplified the computer experience as we know today.
Hope this helped :)
predict what the world would be like if no one tried to think critically. explain your predictions
The world would be in chaos and we would all be dead duh.
What is not a common endpoint for a virtual private network (vpn) connection used for remote network access?
Answer:
I believe It is Content filter as I studied before.
Explanation:
I hack
read in an input value for variable numin. then, read numin floating-point values from input and output the lowest of the floating-point values read to one decimal place. end with a newline. note: all floating-point values are of type double. ex: if the input is 3 68.0 21.8 -64.9, then the output is: -64.9
Here's a Python code snippet that reads an input value for the variable `numin` and then reads `numin` floating-point values from the input. It outputs the lowest of the floating-point values read, formatted to one decimal place.
```python
numin = int(input("Enter the number of values: ")) # Read the input value for numin
min_value = float('inf') # Initialize min_value with positive infinity
for _ in range(numin):
value = float(input("Enter a floating-point value: ")) # Read a floating-point value
if value < min_value:
min_value = value
print(f"The lowest value is: {min_value:.1f}") # Output the lowest value to one decimal place
```
In this code, `numin` is the number of floating-point values to be read. The code then enters a loop where it reads `numin` floating-point values one by one. It keeps track of the minimum value encountered so far and updates it whenever a new lower value is read.
Finally, the code outputs the lowest value using f-string formatting with `:.1f` to format it to one decimal place.
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