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 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

Hours of TV watched                           Number of children

           0 - 5                                                            10

          5 - 10                                                            13

         10 - 15                                                            5

         15 - 20                                                           2

Number of children that watched TV for 15 or more hours = 2

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