Question

1 The waterbills (in) of 32 houses in a locality are given below:
580, 573, 548,578, 552, 603, 595, 537, 585, 573, 572, 594, 566, 592, 552, 585, 578. 581, 560, 564, 554,
571,563, 608,578, 575, 600, 575, 559, 535, 603, 589.
Construct a grouped frequency distribution table with class size 10.​

Answer 1

Answer:

Answer

Given that the water bills (in Rs) of 32 houses in a certain street for the period 1.1.98 to 31.3.98 are below

56,43,32,38,56,24,68,85,52,47,35,58,63,74,27

84,69,35,44,75,55,30,54,65,45,67,95,72,43,65,35,59

Tabulate the data

Class interval frequency cumulative frequency

20-29

30-39

40-49

50-59

60-69

70-79

80-89

90-99 2

6

5

7

6

3

2

1 2

8

13

20

26

29

31

32