### Prateek Asked :

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Q. Find the range of the following observations: 1,2,4,7,8,13.

A. 11

B. 12

C. 13

D. 14

Dapzoi

Commented on 2021-10-04

Answer: B

Explanation: Range is the difference between the highest and lowest observation in a series. Here, the highest observation is 13 and the lowest observation is 1. So, range=13-1=12.

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If the variance of the data 2, 4, 5, 6, 8, 17 is 23.33. Then, what is the variance of 4, 8, 10, 12, 16, 34?