The Mean of the Numbers...... | JEE Main 2022 | Statistics

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JEE MAIN 2022

26-06-2022_S1

Question

The mean of the numbers $a, b, 8,5,10$ is 6 and their variance is 6.8 . If $M$ is the mean deviation of the numbers about the mean, then 25 M is equal to :

Select the correct option:

A

60

B

55

C

50

D

45

✓ Correct! Well done.

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