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Find the average of the numbers from the given frequency distribution :

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CALCUTTA BOOK HOUSE-MEASURES OF CENTRAL TENDENCY-EXERCISE
  1. The frequency distribution of the number of accidents in 30 consecutiv...

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  2. The frequency distribution of the diameters (in mm) of 80 pipes are gi...

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  3. Find the average of the numbers from the given frequency distribution ...

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  4. The frequency distributions of the quantity (in quintals) of producing...

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  5. The frequency distribution of the monthly incomes (in rupees) of the w...

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  6. The average of weights (in kg) and the number of students of a school ...

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  7. The arithmetic mean of the marks obtained in 8 different subjects in a...

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  8. The average of the collective ages of 4 classes in a school is 8.5 yea...

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  9. If the average temperature of a place be 105.5^(@) F in Fahrenheit sca...

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  10. Donations (in rupees) are given for a fare by the 100 students of a sc...

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  11. Find the average height of the students from the given table.

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  12. Find the average income (in rupees) of the workers from the following ...

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  13. The frequency distribution of the marks obtained in a school is given ...

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  14. Part of the weekly expenditure of 1000 families is given in the follow...

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  15. Average monthly income of 50 persons is Rs 270.00 . Later on it is fou...

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  16. The monthly salaries of 20 employees of a commercial enterprise are gi...

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  17. The number of students in a class is 60 . The average of the ages of t...

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  18. The arithmetic mean of two numbers is 10 and their geometric mean is 8...

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  19. Find the geometric mean of the 2(2)/(7), 3, 1(3)/(4) and 1(1)/(3)

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  20. Find the geometric mean of the 45,20,12,75 and 30

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