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If sum of the 20 deviations from the mea...

If sum of the 20 deviations from the mean is 100, then the mean deviation is _____.

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PEARSON IIT JEE FOUNDATION-STATISTICS-VERY SHORT ANSWER TYPE QUESTIONS
  1. If the median of scores x/2, x/3, x/4, x/5a n dx/6(w h e r e\ x >0)...

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  2. The coefficient of range of the scores 1, 2, 3, 4 and 5 is .

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  3. If sum of the 20 deviations from the mean is 100, then the mean deviat...

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  4. If lower and upper quartiles of the data are x and y respectively, the...

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  5. If mode and median of the certain scores are 2 and 2, then mean is .

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  6. If the mean of the scores x(1), x(2), x(3), x(4), x(5) "and" x(6) is x...

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  7. If the mean of a, b and c is b, then a + c in terms of b is .

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  8. If lower and upper quartiles of the data are 23 and 25 respectively, t...

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  9. Mode of certain scores is x. If each score is decreased by 3, then the...

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  10. If the mean of 2, 4, 6, 8, x and y is 5, then x + y is .

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  11. Find the mean of the following: 10(1)/(4), 9, 4 (3)/(4), 8, 2 (2)/(3...

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  12. Find the median of the following data: 2.0025, 2.0205, -2.06, -2.206...

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  13. Find the median of the following data: 23, 92, 43, 34, 54, 48, 82, 1...

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  14. If the strengths of 10 classes in a school are given as 28, 42, 25, 30...

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  15. the mean of 8 observations was found to be 20. Later it was detected t...

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  16. Find the coefficient of range of the scores 25, 30, 22, 34, 50, 56 and...

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  17. If the median of 33 ,\ 28 ,\ 20 ,\ 25 ,\ 34 ,\ x\ i s\ 29 , find th...

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  18. If the mode of scores 3,\ 4,\ 3,\ 5,\ 4,\ 6,\ 6,\ x\ \ i s\ 4 , fin...

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  19. If the heights of five students in a class are 132 cm, 158 cm, 150 cm,...

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  20. Find the median of the following data: 3(3)/(7), 3(5)/(8), 3(1)/(2),...

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