Find the standard deviation for the following data.
`{:(x,10,15,18,20,25),(f,3,2,5,8,2):}`

Find the standard deviation of the following data 18,20,15,12,25.

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

Find the variance and standard deviation for the following data: 4,6,10,12,14,18,20

Find out standard deviation, given the following data: 8,10,12,14,16,18,20,22,24,26

Find the mean deviation from mean for the following data : {:(x_i:, 5,10,15,20,25),(f_i:,7,4,6,3,5):}

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

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

Find the variance and standard deviation of the following data : 4,6,10,12,14,18,20

Find the standard deviation for the following data: (i) x : , 3, 8, 13, 18, 23 f: , 7, 10, 15, 10, 6

Find the standard deviation for the following data. 5,10,15,20,25. And also find the new S.D. if three is added to each value.