In various applications, you are often asked to compute the mean and standard deviation of data. The mean is simply the average of the numbers. The standard deviation is a statistic that tells you how tightly all the various data are clustered around the mean in a set of data. For example, what is the average age of the students in a class? How close are the ages? If all the students are the same age, the deviation is 0. Write a program that prompts the user to enter any number of values into a double array, and then calculates and displays the mean and standard deviations of these numbers using the following formulas: E (x; – mean)? *1 + a2 + + an ... i=1 mean deviation : %3D n - 1

In various applications, you are often asked to compute the mean and standard deviation of data. The mean is simply the average of the numbers. The standard deviation is a statistic that tells you how tightly all the various data are clustered around the mean in a set of data. For example, what is the average age of the students in a class? How close are the ages? If all the students are the same age, the deviation is 0. Write a program that prompts the user to enter any number of values into a double array, and then calculates and displays the mean and standard deviations of these numbers using the following formulas: E (x; – mean)? *1 + a2 + + an ... i=1 mean deviation : %3D n - 1

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Required Methods
You must write your program so that the
following methods are defined/implemented
and used (called):
/* Compute the deviation of
double values */
public static double
deviation (double[] x)
• /* Compute the mean of an array
of double values * /
public static double
mean(double[] x)
Sample Run (user input in color):
Enter numbers ('quit' to end):
1.9
2.5
3.7
2
1
6.
4
quit
The mean is 3.11
The standard deviation is 1.55738

In various applications, you are often asked
to compute the mean and standard
deviation of data. The mean is simply the
average of the numbers. The standard
deviation is a statistic that tells you how
tightly all the various data are clustered
around the mean in a set of data. For
example, what is the average age of the
students in a class? How close are the ages?
If all the students are the same age, the
deviation is 0.
Write a program that prompts the user to
enter any number of values into a double
array, and then calculates and displays the
mean and standard deviations of these
numbers using the following formulas:
mean)?
2i +x2 + ..
+ xn
i=1
i=1
mean =
deviation =
п - 1

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