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Question

If we draw a histogram for the class interval 15 - 30, what will be the height of the bar?


A
3
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B
7
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C
11
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D
4
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Solution

The correct option is B 7
When a frequency distribution table is depicted using histograms, the number of tally marks of a class interval is represented using the height of bars in the histogram.
Here, when the class interval 15 - 30 is depicted in a histogram since the tally marks are 7, the value of a is 7 and the height of the bar is also 7.

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