Write a C program that contains the function mean which calculates the mean of an array of n Its prototype is: double mean(double a[] , int n) ; The mathematical formula for the mean is mean (Create...

• 
  Write
  a C program that contains the function
  mean
  which calculates the mean of an array of
  n
  
  Its prototype is:

double mean(double a[] , int n) ;

The mathematical formula for the mean is

mean

(Create an integer array with 10 elements and take the array elements from the user.)