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Question

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


A
7
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B
3
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C
11
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D
4
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Solution

The correct option is A 7

Comparing the table and the graph we can pbserve

c= 15

d = 30

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 = 7,

as the height of the bar is 7.


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