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The mean and variance of 8 observations ...

The mean and variance of 8 observations are 9 and 9.25 respectively. If six of the observation are 6,7,10,12,12 and 13, find the remaining two observations.

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PATHFINDER-STATISTICS-QUESTION BANK
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  7. Find the SD of first 10 multiples of 3.

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  9. The mean and variance of seven observations are 8 and 16 respectively....

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  10. The mean and standard deviation of 100 observations were calculated as...

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  12. Let x1,x2,x3,…xn be n values of a variable x. If these values are chan...

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  13. The mean of 5 observation is 4.4 and their variance is 8.24. If three ...

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  14. Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...

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  15. Find the mean diaviation with respect to median of the frequency dist...

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  16. Find the mean diaviation with respect to median of the frequency dist...

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