Question: Using the formula for standard deviation: the SQUARE ROOT of ((x1-a)^2+(a2-a)^2+(x3-a)^2+...)/(n-1) Where the number a is the average of the numbers x1, x2, x3, and

Using the formula for standard deviation: the SQUARE ROOT of ((x1-a)^2+(a2-a)^2+(x3-a)^2+...)/(n-1)

Where the number a is the average of the numbers x1, x2, x3, and so forth and the number n is the count of how many numbers there are.

Write a C++ program that finds the standard deviation of the contents of this array of doubles: nums[7]={1.0, 3.2, 4.0, 4.0, 5.5, 9.0, 9.1}. In other words, instead of reading numbers from a file, read the numbers from this array. Give your answer in fixed point notation with 4 places after the decimal point showing. Please follow instructions carefully. Thank you

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