Question

Thirty children were asked about the number of hours they watched T.V. 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 8 5 9 6 8 7 14 12
(i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10
(ii) How many children watched television for 15 or more hours a week?

Answer 1

The highest number of hours = 17
and the lowest number of hours = 1
(i) the frequency table is given below:

(ii) No. of children watching T.V. For 15 or more hours a week = 2