Home
Class 10
MATHS
Find the mean of the following frequency...

Find the mean of the following frequency distributions: Class interval:  10-30   30-50   50-70   70-90   90-110   110-130 Frequency:          5          8           12         20          3           2

Promotional Banner

Topper's Solved these Questions

  • SOME APPLICATIONS OF TRIGONOMETRY

    RD SHARMA|Exercise All Questions|154 Videos

  • SURFACE AREAS AND VOLUMES

    RD SHARMA|Exercise All Questions|417 Videos

Similar Questions

Explore conceptually related problems

Find the mean of the following frequency distributions: Class interval: 0-10 10-20 20-30 30-40 40-50 Frequency: 9 12 15 10 14

Find the mean of the following frequency distribution: Class-interval: 0-10 10-20 20-30 30-40 40-50 No. of workers f: 7 10 15 8 10

Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 6 8 10 9 7

Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 7 5 10 12 6

Find the mean of the following frequency distributions: Class: 50-70 70-90 90-110 110-130 130-150 150-170 interval Frequency: 18 12 13 27 8 22

Write the median class for the following frequency distribution: Class-interval: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Frequency: 5 8 7 12 28 20 10 10

Find the mean of the following distribution: x: 10 30 50 70 89 f: 7 8 10 15 10

Write the modal class for the following frequency distribution: Class-interval: 10-15 15-20 20-25 25-30 30-35 35-40 Frequency: 30 35 75 40 30 15

Find the mean of the following distribution: {:(x,10,30,50,70,90),(f,7,5,10,3,5):}

Find the mean of the following distribution: 10 30 50 70 89 7 8 10 15 10

RD SHARMA-STATISTICS-All Questions
  1. Find the mean of the following frequency distributions: Class interval...

    Text Solution

    |

  2. Find the mean of the following frequency distributions: Class interval...

    Text Solution

    |

  3. Find the mean of the following frequency distributions: Class interval...

    Text Solution

    |

  4. Find the mean of the following frequency distributions: Class interval...

    Text Solution

    |

  5. The weekly observations on cost of living index in a certain city for ...

    Text Solution

    |

  6. The following table shows the marks scored by 140 students in an exam...

    Text Solution

    |

  7. The mean of the following frequency distribution is 62.8 and the sum o...

    Text Solution

    |

  8. The following distribution shows the daily pocket allowance given to ...

    Text Solution

    |

  9. If the mean of the following distribution is 27, find the value of p ....

    Text Solution

    |

  10. In a retail market, fruit vendors were selling mangoes kept in packing...

    Text Solution

    |

  11. The table below shows the daily expenditure on food of 25 households ...

    Text Solution

    |

  12. To find out the concentrations of S O2 in the air (in parts per mil...

    Text Solution

    |

  13. A class teacher has the following absentee record of 40 students of a ...

    Text Solution

    |

  14. The following table gives the literacy rate (in percentage) of 35 c...

    Text Solution

    |

  15. The following are the marks of 9 students in a class. Find the medi...

    Text Solution

    |

  16. Find the median of the daily wages of ten workers from the following ...

    Text Solution

    |

  17. Obtain the median for the following frequency distribution: x : 1 2 ...

    Text Solution

    |

  18. Calculate the median from the following distribution: Class:        5-...

    Text Solution

    |

  19. The median of the following data is 525. Find the values of x and y , ...

    Text Solution

    |

  20. If the median of the distribution given below is 28.5, find the value ...

    Text Solution

    |