Question

In a survey, it was found that 64 families bought milk in the following quantities in a particular month. Prepare a frequency distribution with classes as 5−9, 10−14 etc.

19	16	22	9	22	12	39	19	6	24	16	18	7	17	20	25
10	24	20	21	10	7	18	28	14	23	25	34	22	14	33	23
13	36	11	26	11	37	30	13	22	21	32	21	31	17	16	23
15	27	17	21	23	14	24	8	9	15	29	20	18	28	26	12

Answer 1

In the form of frequency distribution, the given data can be arranged as follows.

Quantity	Tally Marks	Frequency
5 − 9		6
10 − 14		11
15 − 19		13
20 − 24		18
25 − 29		8
30 − 34		5
35 − 39		3
40 − 44
		${\sum }_{}^{}f=64$