Question

numbers of members ine 15 families in Bihar is given below prepare frequency table and find mean of members 1,6,5,4,3,2,7,2,3,4,5,6,4,6,2​

Answer 1

Answer:

the mean would be 4 , as per the above information

Answer 2

Answer:

No of members

(x

i

)

No. of families

(f

i

)

f

i

x

i

1 2 2

2 8 16

3 7 21

4 8 32

5 7 35

6 6 36

7 2 14

N=40

∑f

i

x

i

=156

Mean=

40

156

=3.9 [∵Mean=

N

∑f

i

x

i

]

Hence, Mean of members of 40 families is 3.