Question

Thirty children were asked about the number of hours they watched TV
programmes in the previous week. The results were found as follows : 1 , 6, 2, 3, 5, 12 , 5, 8, 4, 8, 10, 3, 4, 12, 2,
8 15, 1, 17, 6, 3 , 2, 5, 9, 6, 8, 7, 14 , 12 , 16
(i) Make a frequency distribution table for this data taking class width 5 and then draw a histogram taking class width 5 .
(ii) How many children watched television for 15 or more than 15 hours a week?

Answer 1

Answer:

Number of hours Frequency

0-5 10

5-10 13

10-15 5

15-20 2

Total 30

(i) Above table

(ii) Number of children who watched TV for 15 hours or more =2 children