Solution:
(i) The grouped frequency distribution table for the data given in the question, taking class width 5 and one of the class intervals as 5-10 is given below:
Number of Hours | Frequency |
0-5 | 10 |
5-10 | 13 |
10-15 | 5 |
15-20 | 2 |
Total | 30 |
(ii) From the given table, we can conclude that 2 children watched television for 15 or more hours in a week
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