The mean of 6 distinct observations... | Statistics JEE Main 2021

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JEE MAIN 2021

20-07-2021 S1

Question

The mean of 6 distinct observations is 6.5 and their variance is 10.25. If 4 out of 6 observations are 2, 4, 5 and 7, then the remaining two observations are :

Select the correct option:

A

10, 11

B

3, 18

C

8, 13

D

1, 20

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