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Find the value of n and X in each of t...

Find the value of n and X in each of the following cases:

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RD SHARMA-MEASURES OF CENTRAL TENDENCY-All Questions
  1. The mean of 5 numbers is 18. If one number is excluded, their mean ...

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  2. The mean of 200 items was 50. Later on, it was discovered that the t...

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  3. Find the value of n and X in each of the following cases:

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  4. The sums of the deviations of a set of  values  measured from 15 an...

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  5. Find the sum of the deviations of the variate values 3, 4, 6, 7,...

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  6. If  is the mean of the ten natural numbers  show that

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  7. Find the mean of the following distribution:

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  8. Following table shows the weights of 12 students: ...

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  9. Find the mean of the following distribution

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  10. If the mean of the following distribution is 6, find the value of p

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  11. Find the value of  if the mean of the following distribution is ...

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  12. Find the frequencies in the following frequency distribution if it ...

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  13. Calculate the mean for the following distribution:

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  14. Find the mean of the following data:

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  15. The mean of the following data is 20.6. Find the value of p

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  16. If the mean of the following data is 15, find

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  17. Find the value of  for the following distribution whose mean is ...

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  18. Find the missing value of  for the following distribution whose mea...

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  19. Find the missing frequency (p) for the following distribution whose...

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  20. Find the value of  if the mean of the following distribution is ...

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