Question

1
Observation
1. The tallest bar is for
hours
Maximum number of students watch TV for
hours on Sunday
2. The shortest bar is for
hours
Minimum number of students watch TV for
hours on Sunday
20
18
16
12
10
Number of students
4
2
0
1 2 3 4 5 6 7 8 9 10 X
Number of hours
Fig. 1​

Answer 1

Answer:

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

Explanation:

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