Question

if the mean of following distribution is 6, then find the value of p.

x= 2 4 6 10 p+5

f= 3 2 3 1 2

Answer 1

Answer:

p=7

Step-by-step explanation:

2p + 52 = 66

2p = 66 - 52

Thus, p = 7

Answer 2

Answer:

Mean = 2(3) + 4(2) + 6(3) + 10(1) + p+2(2) / 3+2+3+1+2

      6 = 6 + 8 + 18+ 10 + 2p + 10 / 11

    66 = 52 + 2p

    14  = 2p

    p = 7