If the mean of the following distribution is 13, then p =
`{:(x_(i) :,5,10,12,17,16,20),(f_(i) :,9,3,P,8,7,5):}`

If the arithmetic mean of the following distribution is 8.2, then a = {:(x_(i) " :",1,3,5,9,11,13),(f_(i)" :",3,2,7,a,4,8):}

If the arithmetic mean of the following distribution is 8.2, then a = {:(x_(i) " :",1,3,5,9,11,13),(f_(i)" :",3,2,7,a,4,8):}

If the mean of the following frequency distribution is 5, then b = {:(x_(i) " :",3,5,7,4),(f_(i)" :",2,a,5,b):}

If the mean of the following frequency distribution is 5, then b = {:(x_(i) " :",3,5,7,4),(f_(i)" :",2,a,5,b):}

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

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

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

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

Calculate mean deviation from the median for the following distribution: x_(i):10,15,20,25,30,35,40,45f_(i):,7,3,8,5,6,8,4,9

The median for the following frequency distribution is : {:(x_(i) " :",1,2,3,4,5,6,7,8,9),(f_(i)" :",8,10,11,16,20,25,15,9,6):}