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To draw a histogram to represent the fol...

To draw a histogram to represent the following frequency distribution

The adjusted frequency for the class 25−45 is:

A

6

B

5

C

3

D

2

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MODERN PUBLICATION-STATISTICS-EXERCISE
  1. A grouped frequency table with class intervals of equal sizes using 25...

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  2. A grouped frequency distribution table with classes of equal sizes usi...

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  3. To draw a histogram to represent the following frequency distribution ...

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  4. The mean of five numbers is 30. If one number is excluded, their mean ...

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  5. If the mean of the observations : x, x + 3, x + 5, x + 7, x + 10 is 9,...

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  6. If barx represents the mean of n observations x1, x2,…….,xn , then val...

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  7. If each observation of the data is increased by 5, then their mean

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  8. The mean of 100 observations is 50. If one of the observations which w...

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  9. There are 50 numbers. Each number is subtracted from 53 and the mean o...

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  10. The mean of 25 observations is 36. Out of these observationsif the mea...

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  11. The median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84 is

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  12. Median of the following numbers : 4, 4, 5, 7, 6, 7, 7, 12, 3 is

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  13. Mode of the data 15, 14, 19, 20, 14, 15, 1 6, 14, 15, 18, 14, 19, 15, ...

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  14. For drawing a frequency polygon of a continuous frequency distribution...

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  15. If the mean of x and 1/x is M, then the mean of x^2 and 1//x^2 is

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  16. The mean of the ungrouped data is given by

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  17. The mean of xi and x2 is M1 and that of x1,x2,x3,x4 is M2. Then the me...

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  18. If M and Mg represents the mean of the raw and grouped data, respectiv...

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  19. The mean of the cubes of the fist n natural number is

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  20. The mean of first 10 natural numbers is

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