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The mean of 12 numbers is 40. if each nu...

The mean of 12 numbers is 40. if each numbers if divided by 8, what will be the mean of the new numbers?

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MODERN PUBLICATION-STATISTICS-EXERCISE
  1. If the arithmetic mean of 7,9,1,13,x,21 is 13, find the value of x.

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  2. The mean of 20 numbers is 43, if 6 is subtracted from each of the numb...

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  3. The mean of 12 numbers is 40. if each numbers if divided by 8, what wi...

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  4. The mean of 20 numbers is 18, if 3 is added to each of the first ten n...

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  5. The mean of 100 items was found to be 64. later on, it was discovered ...

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  6. The mean of 200 items was 50. later on, it was discovered that the two...

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  7. The mean of six numbers is 23. if one of the number is excluded, the m...

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  8. The mean of 5 numbers is 18, if one number is excluded, their mean is ...

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  9. The mean of marks scored by 100 students was found to be 40, later on,...

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  10. Obtain the sum of the deviations of the observations 3,4,6,8,14 from t...

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  11. If barx is the mean of ten natural numbers x1,x2,xy………..x10 show that:...

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  12. Durations of sunshine in Delhi for first 10 days of Auguse, 2016 as re...

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  13. Durations of sunshine in Delhi for first 10 days of Auguse, 2016 as re...

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  14. A cricketar has a mean score of 58 runs in nine innings. Find out how ...

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  15. The average monthly salary of 20 workers in an office is Rs 7650. If t...

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  16. The mean of 31 results is 60. if the mean of first 16 results is 58 an...

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  17. There are 50 students in a class, of which 40 are boys. The average we...

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  18. Find the mean of the following data

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  19. find the mean of daily wages of 60 workers in a factory as per data gi...

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  20. Find the mean of the following frequency distribution

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