Find the sample mean and sample standard deviation for a number of data that a user inputs. mean = 71 where n is the number of data. x is a value. standard deviation, S= (x(x)-(X)) n n-1 Find (i) sum of the x's (ii) sum of the x2's (iii) n (the number of data) Program should start by asking user "Enter a number (0 to quit):" When user enters 0, program output should be "no data entered"