The mean and variance of 7 observations... | Statistics

JEE Main 2021

31-08-2021 S1

Question

The mean and variance of 7 observations are 8 and 16 respectively. If two observations are 6 and 8, then the variance of the remaining 5 observations is :

Select the correct option:

$\frac{92}{5}$

$\frac{134}{5}$

$\frac{536}{25}$

$\frac{112}{5}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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