#7

7. The heights, in inches, of the starting players on a men's basketball team are in the following table Player A B C D E Height 76 78 78 81 86 a) Determine the population mean (u) b) Find the sample mean (u x bar : the mean of the sample mean) of the variable xbar for a sample of size 2 c) Determine the population standard deviation o d) Determine the standard deviation o bar, of the variable xbar for the sample size of 2, indicate any apparent relationship between o xbar and o