Home
Class 9
MATHS
The demand of different shirt sizes, as ...

The demand of different shirt sizes, as obtained by a survey, is given below :

Find the mean as observed from the survey .

Text Solution

Verified by Experts

The correct Answer is:
39.928
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    MTG IIT JEE FOUNDATION|Exercise NCERT SECTION (Exercise 14.1)|2 Videos

  • STATISTICS

    MTG IIT JEE FOUNDATION|Exercise NCERT SECTION (Exercise 14.2)|15 Videos

  • STATISTICS

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS Corner |20 Videos

  • QUADRILATERALS

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS CORNER|15 Videos

  • TRIANGLES

    MTG IIT JEE FOUNDATION|Exercise OLYMPAID/ HOTS CORNER|10 Videos

Similar Questions

Explore conceptually related problems

The demand of different shirt sizes,as obtained by a survey,is given below: Size:,3839,40,41,42,43,44, total No.of Person (wearing it): 26,39,20,15,13,7,5,125 Find the modal shirt sizes,as observed from the survey.

The marks (maximum marks 100) obtained by 20 students in a test are given below : Find the mean marks of the 20 students.

Observe the figures given below : The odd one out from the given figure is ____

The frequency distribution of the marks obtained by 28 students in a test carrying 40 marks is given below : If the mean of the above data is 20 , then find the difference between x and y .

MTG IIT JEE FOUNDATION-STATISTICS-SOLVED EXAMPLES
  1. Read the following bar graph given in figure and answer the following ...

    Text Solution

    |

  2. Read the following bar graph given in figure and answer the following ...

    Text Solution

    |

  3. Read the following bar graph given in figure and answer the following ...

    Text Solution

    |

  4. The following table gives the marks scored by 100 students in an entra...

    Text Solution

    |

  5. Draw a histogram for the marks of students given below :

    Text Solution

    |

  6. The given table presents the number of illiterate males in the age gro...

    Text Solution

    |

  7. For the following data, draw a histogram and a frequency polygon

    Text Solution

    |

  8. Construct a frequency polygon for the following data.

    Text Solution

    |

  9. The mean of 100 items was found to be 30. If at the time of calcula...

    Text Solution

    |

  10. The mean of 10 number is 20. If 5 is subtracted from every numbe...

    Text Solution

    |

  11. The mean of 16 numbers is 8. If 2 is added to every number, what will ...

    Text Solution

    |

  12. Find the mean of the following distribution.

    Text Solution

    |

  13. Find the mean of the following distribution

    Text Solution

    |

  14. Find the frequencies in the following frequency distribution if it ...

    Text Solution

    |

  15. Find the median of the following data : 25, 34, 31, 23, 22, 26, 35, 29...

    Text Solution

    |

  16. Find the median of the following data: 41, 43, 127, 99, 61, 92, 71, 58...

    Text Solution

    |

  17. The weights (in kg) of 15 students are : 31, 35, 27, 29, 32, 43, 37, 4...

    Text Solution

    |

  18. Find out the mode of the following marks obtained by 15 students in a ...

    Text Solution

    |

  19. Find the mode from the following data: 125, 175, 225, 125, 225, 175, 3...

    Text Solution

    |

  20. The demand of different shirt sizes, as obtained by a survey, is given...

    Text Solution

    |