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The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret, the two measures: Number of students per Teacher     Number of States/U.T. 15-20                                              3 20-25                                              8 25-30                                              9 30-35                                              10 35-40                                              3 40-45                                              0 45-50                                              0 50-55                                              2

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. The following data gives the information on the observed lifetimes (in...

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  2. The following data gives the distribution of total monthly household ...

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  3. The following distribution gives the state-wise teacher-student ratio ...

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  4. The given distribution shows the number of runs scored by some top b...

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  5. A student noted the number of cars passing through a spot on a road fo...

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  6. The following frequency distribution gives the monthly consumption of ...

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  7. 100 surnames were randomly picked up from a local telephone directly ...

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  8. Find the mean, median and mode of the following data: Classes:        ...

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  9. Find the median of the following data: Classes:        0-50  50-100  ...

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  10. The following table gives the daily income of 50 workers of a factory:...

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  11. Draw an ogive by less than method for the following data: No. of rooms...

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

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  13. Draw an ogive to represent the following frequency distribution: Class...

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

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  15. The following table gives the height of trees: Height                 ...

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  16. The following distribution gives the daily income of 50 workers of a ...

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  17. The following table gives production yield per hectare of wheat of 100...

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  18. Define mean.

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  19. What is the algebraic sum of deviations of a frequency distribution ...

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  20. Which measure of central tendency is given by the x -coordinate of the...

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