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Find the missing frequencies from the fo...

Find the missing frequencies from the following table. Given that A.M. is 67.45 inches.

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The correct Answer is:
`f_(3)=42,f_(4)=27`
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CHHAYA PUBLICATION-Measures of Central Tendency -Exercise 2 A Very short answer type question
  1. If a variable x assumes two values 10 and 15 having same frequency fin...

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  2. If three values of a variable are 4,5,7 and their frequencies are p-2,...

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  3. In a binomial distribution mean is 4 and variance is 3 then find the m...

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  4. The average mark obtained by 100 students is 40. But is was later foun...

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  5. The A.M. of 20 frequencies is 30. At the time of verification it was f...

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  6. If overline(x)=20, find overline(y), where (i) y=3x-15, (ii) y=2x+7

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  7. Find the A.M. of the following frequency distribution :

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  8. The no. of goals scored by a football team in the last 20 matches is g...

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  9. The mean of the following frequency distribution is 117 pound. Find th...

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  10. The marks obtained by 30 students in subject is given below. Find A.M.

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  11. The dialy income of a group of people is given is given below. Find th...

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  12. Find the mean of the following distribution.

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  13. The frequency distribution of marks obtained by 100 students in an exa...

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  14. The A.M. of the following frequency distribution is 72.5 , find the va...

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  15. Find the missing frequencies from the following table. Given that A.M....

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  16. Certain part of a frequency distribution is given, its mean is 1.46. F...

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  17. Out of total population in a certain town in South Africa, 60% are Bla...

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  18. The mean age of a combined group of men and women is 30 years. If the ...

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  19. The mean weight of 150 students of a class is 38 kg. If mean weight of...

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  20. The mean of 100 numbers is 55. IF the mean of the 40 numbers is 61, fi...

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