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Find the missing frequency of the group ...

Find the missing frequency of the group 20-30 when the median is 28.
`{:("Class Interval",0-10,10-20,20-30,30-40,40-50),("Frequency"," "5," "8," "?," "16," "6):}`

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Draw a frequency curve for the data given below: {:("Class Interval",0-10,10-20,20-30,30-40,40-50,50-60,60-70),("Frequency",3,2,4,6,9,7,10):}

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TARUN JAIN & VK OHRI-MEASURES OF CENTRAL TENDENCY MEDIAN AND MODE-Miscellaneous Illustrations
  1. Calculate the median from the following data - set : {:("Size",1...

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  2. Compute median from the following data : {:("Mid - value",5,15,...

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  3. Find the missing frequency of the group 20-30 when the median is 28. ...

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  4. Caculate Q(1),Q(3),D(9)andP(70) from the following data : {:(120...

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  5. Calculate median , quartiles , 6th decile and 70 th percentile from th...

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  6. Following is the distribution of marks in Economics obtained by 50 stu...

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  7. Find the mode from the following data : 8,10,5,8,12,7,8,9,11,7

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  8. From the following data , determine the mode by grouping method : ...

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  9. Caculate the mode from the following data : {:("Wages (Rs.)",0-5...

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  10. Calculate the mode from the following data : {:("Class Interval"...

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  11. The mode and mean are 26.6 and 28.1 respectively in an asymmetrical di...

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  12. Calculate the median of the following items : 15,23,20,20,23,35,...

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  13. Find out median marks from the following data : {:("Marks",0-10,1...

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  14. Following is the distribution of marks in Statistics obtained by 32 st...

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  15. Find the missing frequency of the group 20-30 when the median is 24. ...

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  16. Locate the median graphically from the following data : {:("Marks...

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  17. Calculate Q(1),Q(3),D(7)and P(89) from the following data : {:(...

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  18. The marks obtained by 100 students of a school are given below. ...

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  19. Find the mode from the following data : 5,8,4,5,5,8,4,7,8,5

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  20. Calculate mode from the following data : {:("Class Interval",30-4...

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