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A student noted the number of cars passi...

A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data: Number of cars:  0-10  10-20  20-30  30-40  40-50  50-60  60-70  70-80 Frequency:            7     14      13     12      20     11     15       8

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RD SHARMA ENGLISH-STATISTICS-All Questions
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  2. The given distribution shows the number of runs scored by some top b...

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

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

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  5. 100 surnames were randomly picked up from a local telephone directly ...

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

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

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

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

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

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

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

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

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

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

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  16. Define mean.

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

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

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  19. In Figure, the value of the median of the data using the graph of less...

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  20. Write the empirical relation between mean, mode and median.

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