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The mean of a data is 15 and the sum of ...

The mean of a data is 15 and the sum of the observations is 195. Find the number of observations in the data.

A

13

B

19

C

16

D

17

Text Solution

Verified by Experts

The correct Answer is:
A
The number of observation `= ("The sum of the observations")/("The mean of the observations")`
`= 195/15 =13`
Hence, the correct option is (a).
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