Find range of the following data. 19, 27, 15, 21, 33, 45, 7, 12, 20, 26

Find range of the following data. 575, 609, 335, 280, 729, 544, 852, 427, 967, 250

Find the mean of the following data 12,18,15,17,11,10.

compute variance and S.D. of the following data: 9, 12, 15, 18, 21, 24, 27

Answer the following : Calculate coefficient of variation the following data: 23, 27, 25, 28, 21, 14, 16, 12, 18, 16