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

The arithmetic mean of the following frequency distribution is 25. Determine the value of p

Text Solution

Verified by Experts

We have


`mean , barx=(Sigma(f_ixxx_i))/(Sigmaf_i) rArr ((940+35 p))/((44+p))=25`
`rArr (940+35p)=25(44+p)`
`rArr (35p-25p)=(1100-940)`
`rArr 10p=160rArrp=16`
Hence , p=16
Promotional Banner

Topper's Solved these Questions

  • MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE

    RS AGGARWAL|Exercise SOLVED EXAMPLES|18 Videos

  • MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE

    RS AGGARWAL|Exercise MISCELLANEOUS QUESTIONS ON MEAN,MODE AND MEDIAN|1 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    RS AGGARWAL|Exercise QUESTION|2 Videos

  • PERIMETER AND AREA OF PLANE FIGURES

    RS AGGARWAL|Exercise TEST YOURSELF (SHORT -ANSWER QUESTIONS)|1 Videos

Similar Questions

Explore conceptually related problems

The arithmetic mean of the following frequency distibution is 25. Determine the value of p.

The mean of the following frequency distibution is 20. Determine the value of x .

The arithmetic mean of the following frequency distribution is 53. Find the value of k.

Find the mean of the following frequency distribution:

Find the mean of the following frequency distribution:

The mean of the following frequency distribution is 25. Find the value of p.

Find the arithmetic mean of the following frequency distribution:

Find the mean of the followings frequency distribution :

RS AGGARWAL-MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE -Test Yourself
  1. The arithmetic mean of the following frequency distribution is 25. Det...

    Text Solution

    |

  2. Which one of the following measures is determined only after the const...

    Text Solution

    |

  3. If the mean of a data is 27 and its median is 33 then the mode is

    Text Solution

    |

  4. Consider the following distribution The sum of the lower of the m...

    Text Solution

    |

  5. Consider the following frequency distribution The upper limit o...

    Text Solution

    |

  6. If the mean and mode of a frequency distribution be 53.4 and 55.2 resp...

    Text Solution

    |

  7. Consider the following frequency distribution Find the upper li...

    Text Solution

    |

  8. The annual profits earned by 30 shops of a shopping complex in a local...

    Text Solution

    |

  9. Find the mean of the following frequency distribution:

    Text Solution

    |

  10. The maximum bowling speeds (in km/hr) of 33 players at a cricket coach...

    Text Solution

    |

  11. The arithmetic mean of the following frequency distribution is 25 ...

    Text Solution

    |

  12. Find the median of the following frequency distribution

    Text Solution

    |

  13. Following is the distribution of marks of 70 students in a periodical ...

    Text Solution

    |

  14. Find the median of the following data.

    Text Solution

    |

  15. For the following distribution draw a 'less than type' ogive and from ...

    Text Solution

    |

  16. Find the missing frequencies f1 and f2 in the table given below, it be...

    Text Solution

    |

  17. Find the mean of the following frequency distribution using step- devi...

    Text Solution

    |

  18. Draw 'less than ogive' and 'more than ogive' on a single graph paper a...

    Text Solution

    |

  19. The production yield per hectare of wheat of some farms of a village a...

    Text Solution

    |