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The geometric mean of the first n terms ...

The geometric mean of the first n terms of the G.P.` a,ar,ar^2`,….is

A

`ar^((n)/(2))`

B

`ar^(n)`

C

`ar(n-1)(/2)`

D

`ar^(n-1)`

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The correct Answer is:
C
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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
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  4. The geometric mean of the observations 2, 4, 8, 16, 32, 64, is

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  11. If mean = (3median - mode)x, then the value of x is

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  12. The mean deviation from median is

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  13. The mean deviation from the median is

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  14. If each observation of a rew data, whose variance is sigma^2 is multip...

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  15. The standard deviation of a variate x is sigma The standard deviation ...

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  16. If mean of 4,7,x,8 is 5 , then the value of x is.

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  17. The S.D of the first n natural numbers is

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  19. Which of the following is not a fallacy?

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  20. Which of the following is a tautology? (p being any statement)

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