The formula for the variance of a sample is S2= Z (X-X)2 ______ N-1 if the sample mean equals 15 in a sample of 5 data values, find 4 other values of...

N-1

if the sample mean equals 15 in a sample of 5 data values, find 4 other values of x that will make the variance equal zero

2.using the information from the first question what would be the sum of the deviations from the mean for this sample of 5 values and why is this so