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If the mean of the data 12, 8, 6, 3, 9 i...

If the mean of the data 12, 8, 6, 3, 9 is 7.6. If 5 is added to each observation, then the new mean is

A

2.6

B

32.6

C

12.6

D

13.6

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. Mode of the data 3, 7, 8, 8, 7, 6, 8, 4, 3, 11 is

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  2. Mean of the data   x1 , x2 , x3 , x4 , x5  is 15. If each observation ...

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  3. If the mean of the data 12, 8, 6, 3, 9 is 7.6. If 5 is added to each o...

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  4. Mean of the data 8, 7, 6, 14, 12, 10, 20, 16, 15 and 14 is 12.2. If ea...

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  5. The median of n observations arranged in ascending order when n is eve...

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  6. A data having two modes is

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  7. The mode of the data 8, 5, 3, 8, 3, 6, 5, 3, 7, 5 and 11 is

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  8. The difference between any two lower limits is called

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  9. The mean of the observations x-1, x and x + 1 is

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  10. The median of first 10 natural numbers is

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  11. 30-39, 40-49, 50-59 .. తరగతులు .. రకపు తరగతులు .

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  12. The mode of the distribution 2, 5, 7, 5, 3, 1, 5, 8, 7, 5 is

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  13. The median of the observations 15, 12, 14,20,16,10 is

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  14. Mid values are used to calculate ..........

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  15. Which of the following is not a measure of central tendency ?

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  16. The mode of the observations 8, 9, 10, 11, 12, 8, 9, 12, 9, 8, 9, 11, ...

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  17. The median of the observations 6, 21, 9, 19, 15 and 13 is

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  18. The lower limit of the class 60 - 69 is

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  19. The upper limit of the class 30-40 is

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  20. The mean of first ten odd natural numbers is

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