Question

find the value of P if the mean of the following data is 20
x : 15 17 19 20+p 23
f : 2 3 4 5p 6​

Answer 1

Answer:

Given that

Mean of the distribution is 20

i.e., mean=20

x 15 17 19 20+P 23

f 2 3 4 5P 6

We have to pepare a table

x f fx

15 2 30

17 3 51

19 4 76

20+P 5P 100P+5P

2

23 6 138