What is the standard deviation of this data set? Use a calculator to help you. Round your answer to the nearest tenth. 11, 16, 22, 28, 29, 30, 31, 34, 37, 38, 43, 49, 56, 78, 99
Just arrange this in two columns first for total of summation x itself and another column for square of all the values and total both then just use the formula Like this look just find SD
