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Geometric mean of the numbers 2, 2^2, 2^...

Geometric mean of the numbers `2, 2^2, 2^3, ….,2^(n)` numbers is

A

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

B

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

C

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

D

`2^((n+1)/(2))`

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The correct Answer is:
D
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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
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  2. The mean of first three terms is 14 and mean of next two terms is 18. ...

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  3. Geometric mean of the numbers 2, 2^2, 2^3, ….,2^(n) numbers is

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  4. The geometric mean of numbers observations x1, x2, x3,….,xn is

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  5. The geometric mean of numbers observations 4, 8, 16, is

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  6. The harmonic mean of 4, 8, 16, is

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  7. The harmonic mean of 3, 7, 8, 10, 14, is

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  8. Product of n positive number is unity. The sum of these numbers can n...

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  9. In an arranged series of n observations (n being an odd number), the ...

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  10. The median of 10, 14, 11, 9, 8, 12, 6, is

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  11. If a variable takes the discrete values alpha+4 , alpha-(7)/(2), alpha...

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  12. In an arranged discrete series in which total number of observations ...

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  13. The mode of following items 0, 1, 6, 7, 2, 3, 7, 6, 6, 2, 6, 0, 5, 6,...

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  14. Choose the correct answer: The hybridisation of the carbon atom (under...

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  15. For a normal distribution, we have

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  16. The relationship between mean median and mode for a moderately skewed ...

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  17. If the mode of a data is 18 and the mean is 24 then median is

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  18. Which of the following is not a measure of dispersion ?

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  19. For a frequency distribution, mean deviation about mean is computed by

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  20. The mean for the observation 1, 2, 3,4 is

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