Question

The electricity bill of 100 houses of a society are given below
BSES
4-6
Bill in thousand)
No. of houses
2-4
15
6-8
18
10-12
8-10
32
24
11
(d) 12
(d) 9
(1) What is the class size of the data?
(a) 2
(b) 4
(c) 6
(ii) The class mark of the interval 8-10 is
(a) 8
(b) 10
(C) 18
(ii) Median value of the given data lies in the interval
(a) 4-6
(6) 6-8
(c) 8-10
(iv) The modal value for the data is
(a) *6500
(b) 18000 (c) 8800
(v) The average bill of the society is
(a) 37000
(b) 7200
(c) 37500
(d) 10 - 12
(d) 7200
(d) 37600
56

Answer 1

Answer:

Electric bill in (Rs) Number of house (f)

class intervals

150-225 4

225-300 3

300-375 7

375-450 7

450-525 0

525-600 1

600-675 1

675-750 2