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The mean of first three terms is 14 and ...

The mean of first three terms is 14 and mean of next two terms is 18. The mean of all the five terms is

A

14.5

B

15

C

15.2

D

15.6

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The correct Answer is:
D
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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. The mean of 130, 126, 68, 50, 1 is

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  2. If di is the deviation of a class mark yi from 'a' the ' assumed mean ...

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  3. The mean of first three terms is 14 and mean of next two terms is 18. ...

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

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

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

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

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

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

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

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

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

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

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

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

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  16. For a normal distribution, we have

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

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

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

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

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