Question

If each observation of the data 5, 6, 8, 10, 12, 14, 14, 15, 16, 20 is multiplied by 2, then median of new data is ………………. 

A) 28

B) 26 

C) 25 

D) 24

Answer 1

Correct option is (B) 26

Observations after multiplied by 2 are

10, 12, 16, 20, 24, 28, 28, 30, 32, 40

Median \(=\frac12(5^{th}+6^{th})\) observations

\(=\frac12(24+28)\) = 26

\(\therefore\) Median of new data is 26.

Answer 2

Correct option is  B) 26