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The mean of x - 1, x and x + 1 is...

The mean of x - 1, x and x + 1 is

A

x

B

x - y = 16

C

`(3x - 1)/3`

D

`(3 x + 1)/3`

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BEYOND PUBLICATION-STATISTICS-EXERCISE
  1. The mid value of the class 10 - 19 is

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  2. Mid values are used to calculate ..........

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  3. The mean of x - 1, x and x + 1 is

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  4. If mean = x, median = y then mode

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  5. The median of the observations 3, 18, 6, 16, 12 and 10 is

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  6. If mean of 8,6,4,x,3,6 and 0 is 4 then the value of x =……

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  7. The extreme values of some data influences high on……..

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  8. In a data 'n' scores are given and if 'n' is odd, then median is ........

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  9. The class mark of 10-25 is………..

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  10. Mode of the data 5, 3, 4, -2, 3, 2, 2, 1, p is 3 then the value of 'p'...

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  11. Class interval of the class 11-20 is .........

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  12. If mean of 8,6,4,x,3,6 and 0 is 4 then the value of x =……

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  13. AM of 1, 2, x, 3 is 0 then x = ....

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  14. If the sum of 15 observations is 420 then their mean = ..........

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  15. In "more than ogive curve" we consider in drawing………..

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  16. If bar x, is the mean of x1, x2, x3,…………..xn (n items) then overset(n)...

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  17. Mode can be calculated by = l+((f1-f0)/(2f1-f0-f2))xxh here f1 represe...

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  18. x/4, x, x/5, x/6, x/4 If the mode of (x > 0)is 5 then x=

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  19. If 20 is removed from the data 20, 24, 25, 26,27,28,29,30 then the med...

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  20. Which of the following measures of central tendency is mostly effected...

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