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Question

Find the mode of the following data.Class interval0100100200200300300400400500Frequency7111598


A
140
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B
200
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C
240
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D
300
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Solution

The correct option is C 240

Modal Class (class with highest frequency) is 200-300.

Using Mode=l+(f1f02f1f0f2)×h
where f1 represents the frequency of the modal class.
Also,
l= lower boundary of the modal class
h= size of the modal class interval
f0= frequency of the class preceding the modal class
f2= frequency of the class succeeding the modal class

Mode=200+151130119×100

Mode=240


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