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The mean of six numbers is 23. if one of...

The mean of six numbers is 23. if one of the number is excluded, the mean of the remaining numbers is 20. find the excluded number.

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MODERN PUBLICATION-STATISTICS-EXERCISE
  1. The mean of 100 items was found to be 64. later on, it was discovered ...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. Find the mean of the following data

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

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  16. Find the mean of the following frequency distribution

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  17. If the mean of the following frequency distribution is 8, find the val...

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  18. find the missing freuency p for the following frequency distribution w...

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  19. If the mean of the following data is 15, find p

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  20. find the value of p for the following distribution whose mean is 16.6

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