Home
Class 10
MATHS
The arithmetic mean of the following dat...

The arithmetic mean of the following data is 14. Find the value of `k` `x_i` : 5 10 15 20 25 `f_i` : 7 `k` 8 4 5

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

If the mean of the following data is 14.7 ,f in the values of p and q

The arithmetic mean of the following data is 25, find the value of k . x_i : 5 15 25 35 45 f_i : 3 k 3 6 2

If the mean of the following data is 18.75. Find the value of p . x_i : 10 15 p 25 30 f_i : 5 10 7 8 2

The mean of the following data is 20.6. Find the value of 10 15 p 25 35 3 10 25 7 5

If the mean of the following data is 20.6. Find the value of p . x : 10 15 p 25 35 f : 3 10 25 7 5

If the mean of the following data is 15, find p . x : 5 10 15 20 25 f : 6 p 6 10 5

If 3k-7 is the arithmetic mean of 3k+4 and k+12 then the value of 2k+5

If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5, then the value of x is

RD SHARMA-STATISTICS-All Questions
  1. Five coins were simultaneously tossed 1000 times and at each toss the ...

    Text Solution

    |

  2. Find the missing frequencies in the following frequency distribution i...

    Text Solution

    |

  3. The arithmetic mean of the following data is 14. Find the value of k ...

    Text Solution

    |

  4. The arithmetic mean of the following data is 25, find the value of k ....

    Text Solution

    |

  5. If the mean of the following data is 18.75. Find the value of p . xi :...

    Text Solution

    |

  6. The number of telephone calls received at an exchange per interval for...

    Text Solution

    |

  7. Five coins were simultaneously tossed 1000 times, and at each toss the...

    Text Solution

    |

  8. The following table gives the number of branches and number of plants ...

    Text Solution

    |

  9. The following table gives the number of children of 150 families in a ...

    Text Solution

    |

  10. The marks obtained out of 50, by 102 students in a Physics test are ...

    Text Solution

    |

  11. The number of students absent in a class were recorded every day for ...

    Text Solution

    |

  12. In the first proof reading of a book containing 300 pages the followin...

    Text Solution

    |

  13. The following distribution gives the number of accidents met by 160 ...

    Text Solution

    |

  14. Find the mean from the following frequency distribution of marks at a ...

    Text Solution

    |

  15. The following table gives the distribution of total household expen...

    Text Solution

    |

  16. A survey was conducted by a group of students as a part of their en...

    Text Solution

    |

  17. Consider the following distribution of daily wages of 50 workers of a ...

    Text Solution

    |

  18. Thirty women were examined in a hospital by a doctor and the number of...

    Text Solution

    |

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

    Text Solution

    |

  20. Find the mean of the following frequency distributions: Class:        ...

    Text Solution

    |