Program Plan: Include the appropriate headers into program. Declare and define the constant variable “LEN”. Declare the appropriate functions. Define the “main()” function. Declare the array variable “arr[]” in type of double. Declare the variables “stdDeviation” and “avg” in type of double. Declare the variable “ans” in type of character. Using “do…while” loop, prompt the user for array values. Call the function “stdDev()” which passes array and size of array and store the result in “stdDeviation”. Prompt and get the sentinel value from user. Check the loop with condition for sentinel value. Return “0” to called function. Define the function named “stdDev()” which passes the arguments “arr[]” in type of character and “size” in type of integer. Declare and initialize the “sumSquares” in type of “double”. Call the function “average()” which passes array and size of array as arguments and stores the result in “avg” variable. Using “for” loops, calculate the summation value. Return the square root of summation value. Define the function named “average()” which passes “arr[]” and “size” as arguments. Declare and initialize the “sum” in type of “double”. Using “for” loop, calculate the total of array values. Return the average of array values.

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Chapter 7, Problem 4PP

Program Plan Intro

Program Plan:

Include the appropriate headers into program.

Declare and define the constant variable “LEN”.

Declare the appropriate functions.

Define the “main()” function.

Declare the array variable “arr[]” in type of double.

Declare the variables “stdDeviation” and “avg” in type of double.

Declare the variable “ans” in type of character.

Using “do…while” loop, prompt the user for array values.

Call the function “stdDev()” which passes array and size of array and store the result in “stdDeviation”.

Prompt and get the sentinel value from user.

Check the loop with condition for sentinel value.

Return “0” to called function.

Define the function named “stdDev()” which passes the arguments “arr[]” in type of character and “size” in type of integer.

Declare and initialize the “sumSquares” in type of “double”.

Call the function “average()” which passes array and size of array as arguments and stores the result in “avg” variable.

Using “for” loops, calculate the summation value.

Return the square root of summation value.

Define the function named “average()” which passes “arr[]” and “size” as arguments.

Declare and initialize the “sum” in type of “double”.

Using “for” loop, calculate the total of array values.

Return the average of array values.

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