Question

the number of members in the 40 families in Bihar are as follows:1,6,5,4,3,2,7,2,3,4,5,6,4,6,2,3,2,1,4,5,6,7,3,4,5,2,4,3,2,3,5,54,6,2,3,5,6,4,2. prepare a frequency table and find the mean​

Answer 1

Answer:

Number of members (xi) Number of families (fi) fixi

1 2 2

2 8 16

3 7 21

4 8 32

5 7 35

6 6 36

7 2 14

N = 40 ∑fixi = 156

Since, mean = ∑fixiN=15640=3.9

So, the mean of members of 40 families is 3.9.