How many students spent more than 5 hours in watching TV?
32
32
28
24
22
20
Number of students -
16
12
8
00
4
1 - 2 - 3 - 4 5 6 7
Hours of TV watched per day -
Answers
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Answer:
(i) Maximum number of students : 32
Watched TV for (4−5) hours
(ii) Students who watched TV for less than 4 hours belong to category : 1−2hrs,2−3hrs or 3−4hrs.
Total number of student: 4+8+22
=34
(iii) The students who watched TV for more than 5 hours: Category - 5−6 or 6−7 hours
∴ Total number of students: 8+6=14
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