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To draw a histogram to represent the following frequency distribution, what will be the adjusted frequency for the class $25 - 45 .$

Class Interval
Frequency
$5 - 10$
$6$
$10 - 15$
$12$
$15 - 25$
$10$
$25 - 45$
$8$
$45 - 75$
$15$

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6

5

3

2

answer is D.

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Detailed Solution

Given is the following table,

The frequency distribution will consist of classes with an interval of

5

.
The class

25 - 45

includes four such classes with an interval of

5

.
Thus, the adjusted frequency

= \frac{8}{4}

\Rightarrow

Adjusted frequency

= 2

The adjusted frequency for

25 - 45

is 2.
Hence, the correct option is 4.

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