Home
Class 11
ECONOMICS
An opinion poll was conducted by intervi...

An opinion poll was conducted by interviewing 150 people. Calculate the mean age of the people on the basis of the following information about them. Use the short method.

Text Solution

Verified by Experts

The correct Answer is:
41.6 years
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC MEAN

    SK AGGARWALA|Exercise Exercise (Long answer Question )|1 Videos

  • CENTRAL PROBLEMS OF AN ECONOMY

    SK AGGARWALA|Exercise SOME IMPORTANT|5 Videos

Similar Questions

Explore conceptually related problems

A survey of monthly incomes of 100 families living in a village was conducted. Calculate the mean monthly income of the families on the basis of the following information about them.

Calculate the AM of the following data using short-cut method .

Find the mean from the following table using short cut method. :

Calculate mean and standard deviation of the following data by short-cut method:

Calculate the mean of daily income (in Rs ) of the following data about men working in a company by using step deviation method.

SK AGGARWALA-ARITHMETIC MEAN-Exercise ( Numerical Exercises )
  1. Calculate the mean monthly rent by long method from the following :

    Text Solution

    |

  2. Solve Q.1 by step deviation method.

    Text Solution

    |

  3. An opinion poll was conducted by interviewing 150 people. Calculate th...

    Text Solution

    |

  4. A survey of monthly incomes of 100 families living in a village was co...

    Text Solution

    |

  5. Calculate average cost of cultivation per quintal of wheat from the fo...

    Text Solution

    |

  6. Calculate (a) unweighted and (b) weighted mean price from the followi...

    Text Solution

    |

  7. Calculate the simple arithmetic mean of the pocket money of the 8 stud...

    Text Solution

    |

  8. Sachin Tendulkar scored the following runs in the World Cup Cricket 20...

    Text Solution

    |

  9. Per Capita income ( at 1993-94) of India during 1991-1992 to 2001-02 i...

    Text Solution

    |

  10. Given yield per hectare of food grains in India during 1995-96 and 200...

    Text Solution

    |

  11. Frequency distribution of cost of production per unit of a good is giv...

    Text Solution

    |

  12. Calculate (i) the unweighted mean of prices and (ii) the mean obtained...

    Text Solution

    |

  13. A student obtains the following percentage in an examination. (i...

    Text Solution

    |

  14. The mean height of 20 girls in section A of a class is 155 cm, and tha...

    Text Solution

    |

  15. Gross Enrolment Ratio (GER) in classes I-V for boys and girls in the 3...

    Text Solution

    |

  16. Percentage of households having access to safe drinking water in 31 St...

    Text Solution

    |

  17. Find the average mark from the following :

    Text Solution

    |

  18. Find the average cost of production ( in Rs per unit ) in factories i...

    Text Solution

    |

  19. Calculate the average daily earnings of emplyees.

    Text Solution

    |

  20. Caculate the average number of days of absence by students from school...

    Text Solution

    |