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The frequency distribution of life of 90...

The frequency distribution of life of 90 TV tubes whose median life is 17 months is as follows


What is the lower limit of the median class?

A

10

B

15

C

20

D

25

Text Solution

Verified by Experts

The correct Answer is:
B

Since, `n=90therefore (n)/(2)=45`
`because" Lower limit of median class is 15."`
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