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If the mean of n observatoins: ax1,ax2,…...

If the mean of n observatoins:
`ax_1,ax_2,………..ax_n` is `abarx`,
Show that `(ax_1-abarx)+(ax_2-abarx)+……..+(ax_n-abarx)=0`

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MODERN PUBLICATION-STATISTICS-EXERCISE
  1. If the mean of n observatoins: ax1,ax2,………..axn is abarx, Show that (a...

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  2. Define Statistics as a subject.

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  3. Define Few fundamental characterstics of Statistics.

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  4. Define primary and secondary data. Which of them is more reliable and ...

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  5. Explain the meaning of the following terms: variate.

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  6. Explain the meaning of the following terms: class interval.

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  7. Explain the meaning of the following terms: class size.

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  8. Explain the meaning of the following terms: class mark.

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  9. Explain the meaning of the following terms: frequency of a class

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  10. Explain the meaning of the following terms: cumulative frequency of a ...

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  11. Explain the meaning of the following terms: true class limits

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  12. Write the class size in each of the folowing 0-4,5-9,10-14

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  13. Write the class size in each of the folowing 10-19,20-29,30-39

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  14. Write the class size in each of the folowing 100-120,120-140,140-160

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  15. Write the class size in each of the folowing 0-0.25,0.25-0.50,0.50-0.7...

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  16. Write the class size in each of the folowing 5-5.01, 5.01-5.02, 5.02-5...

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  17. The final makrs in Mathematics of 30 students are as follows {:(53,61,...

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  18. The final makrs in Mathematics of 30 students are as follows {:53,61,4...

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  19. The final makrs in Mathematics of 30 students are as follows {:(53,61,...

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  20. The final makrs in Mathematics of 30 students are as follows {:(53,61,...

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  21. The final makrs in Mathematics of 30 students are as follows {:53,61,4...

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