Find the variance and standard deviation for the following distribution: X:, 4.5, 14.5, 24.5, 34.5, 44.5, 54.5, 64.5 `f:` , 1, 5, 12, 22, 17, 9, 4

Find the mean variance and standard deviation for the following data: 2,4,5,6,8,17

Find the variance and standard deviation of the following data 5,12,3,18,6,8,2,10

Find the standard deviation for the following data :5,9,8,12,6,10,6,8

Find the mean and standard deviation of the following probability distribution: x_i :2\ \ 3\ \ 4 p_i : 0.2\ \ 0. 5\ 0. 3

Find the variance and standard deviation of the following frequency distribution: Variable (x_i) , 2, 4, 6, 8, 10, 12, 14, 16 Frequency (f_i) , 4, 4, 5, 15, 8, 5, 4, 5

Calculate the variance and standard deviation from the data given below: Size of item, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 Frequency , 3, 7, 22, 60, 85, 32, 8

Calculate the variance and standard deviation from the data given below: Size of item, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 Frequency , 3, 7, 22, 60, 85, 32, 8

Find The standard deviation of the following frequency distribution is {:(X,2,3,4,5,6,7),(f,4,9,16,14,11,6):}

Standard deviation of 5,8,11,9,11 is

Find the mean of the following distribution: x: 4 6 9 10 15 f: 5 10 10 7 8