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The following distribution shows the daily pocket allowance given to the children of a multistorey building. The average pocket allowance is Rs 18.00. Find out the missing frequency: Class            11-13   13-15   15-17   17-19   19-21   21-23   23-25 interval: Frequency:      7          6           9         13         -            5          4

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. The following table shows the marks scored by 140 students in an exa...

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  2. The mean of the following frequency distribution is 62.8 and the sum o...

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  3. The following distribution shows the daily pocket allowance given to ...

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  4. If the mean of the following distribution is 27, find the value of p ....

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  5. In a retail market, fruit vendors were selling mangoes kept in packing...

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  6. The table below shows the daily expenditure on food of 25 households ...

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  7. To find out the concentrations of S O2 in the air (in parts per mil...

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  8. A class teacher has the following absentee record of 40 students of a ...

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  9. The following table gives the literacy rate (in percentage) of 35 c...

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  10. The following are the marks of 9 students in a class. Find the medi...

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  11. Find the median of the daily wages of ten workers from the following ...

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  12. Obtain the median for the following frequency distribution: x : 1 2 ...

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  13. Calculate the median from the following distribution: Class:        5-...

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  14. The median of the following data is 525. Find the values of x and y , ...

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  15. If the median of the distribution given below is 28.5, find the value ...

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  16. Following are the lives in hours of 15 pieces of the components of ...

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  17. The following is the distribution of height of students of a certain ...

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  18. Following is the distribution of I.Q. of 100 students. Find the median...

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  19. Calculate the median from the following data: Rent (in Rs.):         1...

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  20. Calculate the median from the following data: Marks below:       10   ...

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