For Daily Free Study Material Join wiredfaculty Whatsapp Group | Download Android App | Ncert Book Download
Sponsor Area
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 1 2 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 5–0.(ii) How many children watched television for 15 or more hours a week?
