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Given below is a cumulative frequency di...

Given below is a cumulative frequency distribution showing the mars secured by 50 students of a class

From the frequency distribution table for the data.

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From the frequency distribution table from the following data

Construction of Cumulative frequency distribution

The following table show tha cumulative frequency distribution of marks of 800 students in an examination. Construct a frequency distribution table for the data above.

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OSWAL PUBLICATION-STATISTICS-NCERT EXEMPLAR (Exercise - 13.3)
  1. Find the mean of the distribution:

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  2. Calculate the mean of the scores of 20 students in a mathematics test

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  3. Calculate the mean of the following data:

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  4. The following table gives the number of pages written by Saria for com...

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  5. The daily income of a sample of 50 employees are tabulated as follows....

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  6. An aircraft has 120 passsenger seats. The number of seats occupied dur...

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  7. The weights (in kg) of 50 wrestlers are recorded in the following tabl...

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  8. The mileage (km per litre) of 50 cars of the same model was tested by ...

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  9. The following is the distribution of weights (in kg) of 40 persons. ...

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  10. The following table show tha cumulative frequency distribution of mark...

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  11. Form the frequency distribution table from the following data: Const...

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  12. Find the unknown entries a, b, c, d, e and f in the following distribu...

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  13. The following are the ages of 300 patients getting medical treatment i...

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  14. The following are the ages of 300 patients getting medical treatment i...

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  15. Given below is a cumulative frequency distribution showing the mars se...

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  16. Weekly income of 600 families is tabulted below. Compute the medi...

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  17. The maximum bowling speeds, in km per hour, of 33 players at a cricket...

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  18. The monthly income of 100 families are given as below Calculate t...

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  19. The weights of coffee im 70 packets are shown in the following table ...

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