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Find the arithmetic mean of first 6 natu...

Find the arithmetic mean of first 6 natural numbers.

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RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
  1. The mean of 40 observations was 160. It was detected on rechecking ...

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  2. If the heights of 5 persons are 144 cm, 152cm, 151cm, 158 cm and 155...

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  3. Find the arithmetic mean of first 6 natural numbers.

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  4. Find the arithmetic mean of first ten odd natural numbers

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  5. The weights (in kg) of 15 students are: 31, 35, 27, 29, 32, 43, 37, ...

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  6. Find the median of the following data: 19, 25, 59, 48, 35, 31, 30, 32,...

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  7. Find the mode from the following data: 110,120,130,120,110,140,130,120...

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  8. If the heights of 5 persons are 144cm, 152cm, 151cm, 158cm and 155c...

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  9. Find the arithmetic means of first 6 natural numbers.

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  10. Find the arithmetic mean of first ten odd natural numbers.

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  11. If the mean of n observations ax1, ax2, ax3, ...., axn is aX show that...

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  12. If the mean of 6, 4, 7, p and 10 is 8, find the value of p

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  13. Find the sum of the deviations of the variate values 3, 4, 6, 8, 14 ...

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  14. The mean of 40 observations was 160. It was detected on rechecking ...

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  15. The mean of 100 items was found to be 30. If at the time of calcula...

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  16. The mean monthly salary of 10 members of a group is Rs. 1445, one m...

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  17. The mean of 10 number is 20. If 5 is subtracted from every numbe...

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  18. The mean of 16 numbers is 8. If 2 is added to every number, what ...

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  19. The mean of 5 number is 18. If one numbers is excluded, their me...

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  20. If the mean of five observations x , x + 2 , x + 4 , x + 6 , x + 8...

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