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Finding Mean for Grouped Data When Class Intervals Are Not Given

The mean of p...

Question

The mean of prime numbers between 20 and 30 is:

A

27

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B

25

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C

26

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D

21

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Solution

The correct option is C
26

The only two prime numbers between 20 and 30 are 23 and 29.

= 26

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Finding Mean for Grouped Data When Class Intervals Are Not Given

Standard VIII Mathematics

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