Question

Twenty children were asked about the number of hours they watched T.V programs in the previous week. The results were found as follows:

11 6 ,12 ,13, 6 ,7, 8, 9 ,10, 13, 15, 17, 16, 4 , 3 , 1 , 5 , 2 ,14 , 18.



(i) Make a grouped frequency distribution table of class width 5 and one of the class intervals as 0 – 5.

(ii) Find the range of the data.

(iii) Find the number of children who watched T.V programs less than 10 hours.

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Answer 1

Answer:

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