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Thirty children were asked about the number of hours they watched T.V. programmes in the previous week. The results were found as follows,

1, 6, 2, 3, 5, 12, 5, 8, 4, 8,

10, 3, 4, 12, 2, 8, 15, 1, 17, 6,

3, 2, 8, 5, 9, 6, 8, 7, 14, 12.

Is grouped frequency distribution the correct representation of the given data?

State true or false.

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True

False

answer is A.

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Detailed Solution

Given data is,
1, 6, 2, 3, 5, 12, 5, 8, 4, 8,
10, 3, 4, 12, 2, 8, 15, 1, 17, 6,
3, 2, 8, 5, 9, 6, 8, 7, 14, 12.
The data is presented in tabular form with the help of tally marks.
Question Image

Tally marks are converted into frequency distribution.
Question Image

Here, the grouped frequency distribution of the given data is presented.
Question Image

Therefore, the given table is true.
Correct option is 1.

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