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If X ˉ is the mean of the ten natura...

If X ˉ is the mean of the ten natural numbers x 1 ​ ,x 2 ​ ,x 3 ​ ,...,x 10 ​ , show that (x 1 ​ − X ˉ )+(x 2 ​ − X ˉ )+....+(x 10 ​ − X ˉ )=0.

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RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
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  2. Find the mean of the following 3, 4, 6, 7, 8, 14.

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  3. If X ˉ is the mean of the ten natural numbers x 1 ​ ,x 2 ​ ,x ...

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  4. Find the mean of the following : 2,5,8

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

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  6. Find the mean of the following: 1,5,4,3,2

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

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

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  9. Find the missing frequencies in the following frequency distribution i...

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  10. Calculate the mean for the following distribution:

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  11. Find the mean of the following data:

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

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

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

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  15. Find the value of p for the following distribution whose mean is 12....

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

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  17. Find the value of mean of the following- 20,10,30

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  18. Find the mean of the following: 10,12,14,16

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  19. Candidates of four schools appear in a mathematics test. The data w...

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  20. Five coins were simultaneously tossed 1000 times and at each toss t...

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