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Duration of sunshine (in hours) in Amr...

Duration of sunshine (in hours) in Amritsar for first 10 days of August 1997 as reported by the Meteorological Department are given below: 9.6, 5.2, 3.5, 1.5, 1.6, 2.4, 2.6, 8.4, 10.3, 10.9 Find the mean

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RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
  1. The numbers of children in 10 families of a locality are: 2, 4, 3, 4...

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  2. If M is the mean of x1 , x2 , x3 , x4 , x5 and x6, prove that (x1 − M)...

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  3. Duration of sunshine (in hours) in Amritsar for first 10 days of Aug...

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  4. Explain, by taking a suitable example, how the arithmetic mean alte...

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  5. The mean of marks scored by 100 students was found to be 40. Later ...

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  6. The traffic police recorded the speed (in km/hr) of 10 motorists as ...

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  7. The mean of five numbers is 27. If one number is excluded, their me...

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  8. The mean weight per student in a group of 7 students is 55 kg. The i...

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  9. The mean weight of 8 numbers is 15. If each number is multiplied by...

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

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

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  12. The sums of the deviations of a set of n values x1, x2,ddot,xn measure...

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  13. Find the mean of the following 3, 4, 6, 7, 8, 14.

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

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

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

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

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

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

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

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