If the mean of the following data is 17 then the value of p is ___.
xi10p182125fi1015799
xififixi1010100p1515p187126219189259225 ∑fi = 50 ∑fixi = 640+15p Given mean=17 17= 640+15p50 17×50=640+15p 850−640=15p Solving, we get p = 14.
If the mean of the following data is 20 then the value of p is ___ xi10p182125fi1015799
If the mean of the following data is 17, then the value of 'p' is ___