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The mean of five observations is 4 and their variance is $5.2$. If three of these observations are $2, 4$ and $6$, then the other two observations are
The mean of five observations is 4 and their variance is $5.2$. If three of these observations are $2, 4$ and $6$, then the other two observations are
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Always use both sum and sum of squares when mean and variance are given.
Updated On: May 8, 2026
- $3$ and $5$
- $2$ and $6$
- $4$ and $4$
- $8$ and $10$
- $1$ and $7$
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The Correct Option is A
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