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Representing Data as a Histogram

The following...

Question

The following histogram shows the frequency distribution of teaching experiences of 30 teachers in various schools :

How many teachers have teaching experience between 10 to 25 years?

A

2

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B

9

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C

5

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D

7

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Solution

The correct option is B
9

The number of teachers having experience from 10 to 25 years, is 7 + 2, i.e., 9

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