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The marks scored by 750 students in an e...

The marks scored by 750 students in an examination are given in the form of a frequency distribution table: Marks             No. of students      Marks              No. of students 600-640          16                          760-800           172 640-680          45                          800-840           59 680-720          156                        840-880           18 720-760          284                        Prepare a cumulative frequency table by less than method and draw an ogive.

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The following table show tha cumulative frequency distribution of marks of 800 students in an examination. Construct a frequency distribution table for the data above.

The marks scored by 750 students in an examination are given in the form of a frequency distribution table. Marks 600-640,640-680,680-720 and 720-760,760-800,800-840,840-880 No. of Students: 16 45 156 284 172 59 18 Represent this data in the form of a histogram and construct a frequency polygon.

A cumulative frequency distribution is given below. Convert this into a frequency distribution table. Marks Below 45 Below 60 Below 75 Below 90 Below 105 Below 120 No. of Students 0 8 23 48 85 116

Consider the marks, out of 100, obtained by 50 students of a class given in the table. Draw a frequency polygon corresponding to this frequency distribution table using histogram.

The following frequency distribution table shows marks obtained by 180 students in Mathematics examination : Find the value of x. Also draw a histogram representing the above informations.

The marks obtained out of 50, by 102 students in a Physics test are given in the frequency table below: Marks (x) : 15 20 22 24 25 30 33 38 45 Frequency (f) : 5 8 11 20 23 18 13 3 1 Find the average number of marks.

RD SHARMA-STATISTICS-All Questions
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  2. Draw an ogive by less than method for the following data: No. of rooms...

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

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

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

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

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  7. The annual profits earned by 30 shops of a shopping complex in a lo...

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

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

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  10. Define mean.

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

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

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  13. What is the value of the median of the data using the graph in the ...

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

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  15. Which measure of central tendency can be determined graphically

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  16. Write the modal class for the following frequency distribution: Class-...

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  17. A student draws a cumulative frequency curve for the marks obtained by...

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  18. Write the median class for the following frequency distribution: Class...

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  19. Find the class marks of classes 10-25 and 35-55.

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  20. Write the median class of the following distribution: Classes:        ...

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