Ex 14.2, 8 - Chapter 14 Class 9 Statistics

Transcript

Ex 14.2, 8 Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: (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 more than 15 hours a week? 2 Children