Question

find value of k if mean of following data is 25 X=19,21,23,25,27,29,31 and f=31,15,k,18,16 15,13.​

Answer 1

MEAN = Σfixi / Σfi

MEAN = 2650/106 = 25

MEAN = 25

Hence, the MEAN value is 25 .

HOPE THIS ANSWER WILL HELP YOU

Answer 2

Answer:

16

Explanation:

k = 16 Answer