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  • 30 children were asked about the number of hours they watched TV programs last week. The results are recorded as under : Can we say that the number of children who watched TV for 10 or more hours a week is 22? Justify your answer.

30 children were asked about the number of hours they watched TV programs last week. The results are recorded as under :

Number of hours 0-5 5-10 10-15 15-20
Frequency 8 16 4 2

Can we say that the number of children who watched TV for 10 or more hours a week is 22 ? Justify your answer.

Answers (1)

Answer : No

Total number of students, who watched TV for 10 or more hours are:

From the table:

C.I. = frequency

10-15= children

10-20 children

Total = 6 children

Hence, the total number of students who watched TV for 10 or more hours are 6 and not 22.

Posted by

infoexpert23

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