Home
Class 10
MATHS
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.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SOME APPLICATIONS OF TRIGONOMETRY

    RD SHARMA ENGLISH|Exercise All Questions|154 Videos

  • SURFACE AREAS AND VOLUMES

    RD SHARMA ENGLISH|Exercise All Questions|420 Videos

Similar Questions

Explore conceptually related problems

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

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

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.

The marks of 20 students out of 25 are given below {:(12,17,22,7,11,19,24,18,4,8),(23,2,5,15,21,16,11,9,12,17):} Prepare a frequency table for the given data.

The following table gives the marks scored by 100 students in an entrance examination. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of Students (Frequency): 4 10 16 22 20 18 8 2 Represent this data in the form of a histogram.

The marks obtained by 40 students of class VIII in an examination are given below: 18,8,12,0,8,16,12,5,23,2,16,23,2,10,20,12,9,7,6,5,3,5, 13,21,13,15,20,24,1,7,21,16,13,18,23,7,3,18,17,16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included).

The marks scored by 40 students of class VIII in mathematics are given below: 81,55,68,79,85,43,29,68,54,73,47,35,72,64,95,44,50,77,64, 35,79,52,45,54,70,83,62,64,72,92,84,76,63,43,54,38,73,68,52,54. Prepare a frequency distribution with class size of 10 marks.

If r% of students scored less than 33 marks, then find r, given N=50 , class size= 10 , frequency of the rth. Percentile class =12 and cumulative frequency of the rth percentile class =22 , lower limit of rth percentile class =30

RD SHARMA ENGLISH-STATISTICS-All Questions
  1. The following table gives the daily income of 50 workers of a factory:...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Define mean.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. Which measure of central tendency can be determined graphically

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. In the graphical representation of a frequency distribution, if the ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |