Home
Class 11
ECONOMICS
Mean value of the weekly income of 40 fa...

Mean value of the weekly income of 40 families is 265. But in the calculation, income of one family was read as 150 instead of 115. Find the ''Corrected'' mean.

Text Solution

Verified by Experts

The correct Answer is:
Corrected Mean = Rs. 264.125
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN

    TARUN JAIN & VK OHRI|Exercise 5. NCERT Questions (With Hints to Answers)|12 Videos

  • MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN

    TARUN JAIN & VK OHRI|Exercise Illustration|72 Videos

  • MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN

    TARUN JAIN & VK OHRI|Exercise 3.Long Answer Type Questions|6 Videos

  • INDEX NUMBERS

    TARUN JAIN & VK OHRI|Exercise NCERT Questions (With Hints to Answers)|12 Videos

  • MEASURES OF CENTRAL TENDENCY MEDIAN AND MODE

    TARUN JAIN & VK OHRI|Exercise NCERT Questions (With Hints to Answers)|5 Videos

Similar Questions

Explore conceptually related problems

Weekly income of 600 families is tabulted below. Compute the median income.

The monthly income of 100 families are given as below Calculate the modal income.

Mean marks obtained by 100 students are estimated to be 40. Later on its is found that one value was read as 83 instead of 53. Find out the ''corrected'' mean.

Average income of 50 families is Rs. 3,000. Of these average income of 12 families is Rs. 1,800. Find out the average income of the remaining families.

The mean of 200 items was 50. Later on,it was discovered that the two items were misread as 92 and 8 instead of 192 and 88. Find the correct mean.

The mean of 50 numbers is 30. Later it was discovers that two entries were wrongly entered as 82 and 13 instead of 28 and 31. Find the correct mean.

The mean of 100 items was found to be 30. If at the time of calculation two items were wrongly taken as 32 and 12 instead of 23 and 11, find the correct mean.

In an examination, the mean of marks scored by a class of 30 students was calculated as 58.5 Later on, it was detected that the marks of one student was wrongly copied as 57 instead of 75. Find the correct mean.

TARUN JAIN & VK OHRI-MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN-4. Essential Practicals
  1. Weight of 15 persons is as follows: {:("Weight(kg)",20,28,34,39,42,5...

    Text Solution

    |

  2. Calculate average of the following discrete series. Use Short-cut Meth...

    Text Solution

    |

  3. Marks secured by 42 students in economics are: {:("Marks",15,20,22,2...

    Text Solution

    |

  4. Average age of the people of a counry is shown in the following table:...

    Text Solution

    |

  5. Calculate the arithmetic mean of the following frequency distribution ...

    Text Solution

    |

  6. Calculate arithmetic mean from the following data by Short-cut Method:...

    Text Solution

    |

  7. Find out arithmetic mean from the following distribution by Short-cut ...

    Text Solution

    |

  8. Sachin made the following runs in different matches: {:("Runs",5-15,...

    Text Solution

    |

  9. Calculate arithmetic mean of the following frequency distribution: {...

    Text Solution

    |

  10. Mean marks obtained by a student in his five subjects are 15. In Engl...

    Text Solution

    |

  11. Mean value of the weekly income of 40 families is 265. But in the calc...

    Text Solution

    |

  12. Average pocket allowance of 6 students is Rs. 45. Of these, pocket all...

    Text Solution

    |

  13. The following table shows wages of the workers. Calculate the average ...

    Text Solution

    |

  14. Ten players of the Australian team made an average an average of 60 ru...

    Text Solution

    |

  15. Average income of 50 families is Rs. 3,000. Of these average income of...

    Text Solution

    |

  16. In the following frequency distribution, if the arithmetic mean is 45....

    Text Solution

    |

  17. Calculate the weighted mean of the following data: {:("Items",96,102...

    Text Solution

    |

  18. A student obtained 60 marks in English, 75 in Hindi, 63 in Mathematic...

    Text Solution

    |

  19. A housewife uses 10 kg of Wheat, 20 kg of Fuel, 5 kg of Sugar, and 2 k...

    Text Solution

    |

  20. Calculate weighted mean of the following data by using Direct and Shor...

    Text Solution

    |