Q 3002580438.     `100` surnames were randomly picked up from a local telephone directry and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows
Find the median and mean number of letters in the surnames.

A

Median=12.5, Mean=9.1

B

Median=9.09, Mean=5.12

C

Median=8.05, Mean=8.32

D

Median=7.31, Mean=7.16

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