Home
Class 11
ECONOMICS
Marks secured by 42 students in economic...

Marks secured by 42 students in economics are:
`{:("Marks",15,20,22,23,27,35,18),("Number of Students",8,4,7,3,8,7,5):}`
Find average marks.

Text Solution

Verified by Experts

The correct Answer is:
Average Marks = 23.2
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

Following is the distribution of marks in Economics obtained by 50 students : {:("Marks (more than)",0,10,20,30,40,50),("Number of Students",50,46,40,20,10,3):} Calculate the median marks . If 60% of the students pass this test , find the minimum marks obtained by a pass candidate.

Following are the marks obtained by 25 students in economics. Find out the mean marks by using Direct and Short-cut Method. {:("Marks",10,20,30,40,50,60),("Number of Students",5,2,3,8,4,3):}

Distribution of marks obtained by 100 student of a class is given below . Find out the median marks {:("Marks",0,5,10,15,20,25,30,35,40,45),("Number of Students",4,6,15,5,8,12,28,14,3,5):}

Following table gives marks in Statistics of the students of a class. Find out mean marks. {:("Mid-value",5,10,15,20,25,30,35,40),("Number of Students",5,7,9,10,8,6,3,2):}

The following table given the marks scored by 50 students in a 100 marks test of Mathematics. {:("Marks",0-20,20-40,40-60,60-80),("No of "3,12,18,10,7),("students",,,,):} A student is selected randomly from the class. Find the probability that the selected student.

Following are the marks of 37 students: {:("Marks",4,6,8,10,12,14),("No. of Students",5,7,6,8,6,5):} Calculate mean marks, using Short-cut Method.

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

    |