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The standard deviation of the data: x : ...

The standard deviation of the data: `x :` , 1, `a` , `a^2` , ..., `a^n` `f:` , `^n C_0` , `^n C_1` , `^n C_2` , ..., `^n C_n` is `((1+a^2)/2)^n-((1+a)/2)^(2n)` (b) `((1+a^2)/2)^(2n)-((1+a^2)/2)^(2n)` (c) `((1+a)/2)^(2n)-((1+a^2)/2)^n` (d) none of these

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RD SHARMA ENGLISH-STATISTICS-All Questions
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  2. The mean deviation of the series a , a+d , a+2d , , a+2n from its mea...

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  3. The standard deviation of the data: x : , 1, a , a^2 , ..., a^n f: , ...

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  6. The scores of a batsman in 10 matches were as follows: 38,70,48,34,...

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  7. Calculate mean for the following data: xi : 3 9 17 23 27...

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  9. The following table gives the distribution of income of 100 families i...

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  10. While calculating mean and variance of 10 readings, a student wrong...

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  11. Mean  and standard deviation of 100 observations were found to be 4...

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  12. The number of telephone calls received at an exchange in 245 successiv...

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  14. Find the variance and standard deviation for the following data: 4,6,1...

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  15. Complete the variance and standard deviation of the following obser...

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  16. Calculate the mean deviation about the mean of the set of first n natu...

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  17. Let x1, x2, x3, , be n values of a variable X. If these values are ch...

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  18. Find the mean deviation from the mean for the data: 6,7,10,12,13,4,...

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  19. The scores of a batsman in ten innings are : 38,70,48,34,42,55,63,46,5...

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  20. Calculate the mean deviation about median from the following data: 340...

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