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Find out the mean of 12,10,20...

Find out the mean of 12,10,20

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RD SHARMA ENGLISH-GRAPHICAL REPRESENTATION OF STATISTICAL DATA-All Questions
  1. Find out the mode 1,1,3,5,6,7,1,1,10,3,3,5,1,1,5,1,1,1,6,7

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  2. Find out the mean & mode 1,3,1,6,4

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  3. Find out the mean of 12,10,20

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  4. For the following data, draw a histogram and a frequency polygon: ...

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  5. The marks scored by 750 students in an examination are given in the...

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  6. Construct a frequency polygon for the following data: Age (in year) ...

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  7. The following are the scores of two groups of class IV students in ...

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  8. First find the frequencies of 2,2,3,3,3,3,3,5,6,6,6,8 and then find mo...

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  9. The distribution of heights (in cm) of 96 children is given below. ...

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  10. Find average speed of 40m/s and 50m/s.

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  11. Find the average height of 150cm,140cm,160cm.

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  12. If Ramesh score 50 marks in English and 60 marks in Math. Find out the...

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  13. Find mean and mode of 2,2,3,1.

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  14. Draw a histogram for the daily earnings of 30 drug stores in the fo...

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  15. The monthly profits (in Rs.) of 100 shops are distributed as follows: ...

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  16. Which one of the following is not the graphical representation of s...

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  17. In a frequency distribution, ogives are graphical representation o...

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  18. A frequency polygon is constructed by plotting frequency of the clas...

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  19. Mean is also known as (a) median (b) average (c) range (d) f...

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  20. In a histogram the class intervals or the groups are taken along ...

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