Thirty ******** were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows:

Question 1

Thirty **** 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 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 **** watched television for 15 or more hours a week?

Question 2

(i) Our class intervals will be 0 − 5, 5 − 10, 10 −15…..

The grouped frequency distribution table can be constructed as follows.

(ii)The number of **** who watched TV for 15 or more hours a week is 2 (i.e., the number of **** in class interval 15 − 20).

kratos · Answer 1 · 2020-05-25T13:07:43+0000

(i) Our class intervals will be 0 − 5, 5 − 10, 10 −15…..

The grouped frequency distribution table can be constructed as follows.

(ii)The number of **** who watched TV for 15 or more hours a week is 2 (i.e., the number of **** in class interval 15 − 20).

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