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Question 3 (25 points) Declare an integer array of size 10. Ask the userto populate the array and then calculate the following by reading the numbers from the array: sum of the elements in the array, average of the elements, variance of the elements Then display all of the above on the screen on a separate line. and visit our offi/ Use the followingformula to calculate variance: (di 7)? n - 1 8% = sample variance s? L = the value of the one observation = the mean value of all observations Do not use any built-in functions for calculating sum, average and variance in your code