13. 30 Children were asked about the number of hours they watched TV programmes in the previous week the result were found as follows (1) Make a group frequency distribution table for this data, taking class width 5 and one of the class intervals are 0-5. (2) How many children watched TV for 15 more hours a week?
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(ii) Number of children who watched TV for 15 hours or more =2 children.
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