Question

A sample survey of 100 families belonging to the middle income group revealed the

following distribution according to their annual savings. Find the average annual

savings, 5th decile and 90th percentile.

Savings: 5-

10

10-

15

15-

20

20-

25

25-

30

30-

35

35-

40

No. of

families 7 10 15 23 25 14 6​

Answer 1

Answer:

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