Home
Class 11
MATHS
Find the mean and variance of frequency ...

Find the mean and variance of frequency distribution given below: `x_i :` `1lt=x<3` `3lt=x<5` `5lt=x<7` `7lt=x<10` `f_i :` 6 4 5 1

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SOME SPECIAL SERIES

    RD SHARMA ENGLISH|Exercise All Questions|69 Videos
  • THE CIRCLE

    RD SHARMA ENGLISH|Exercise All Questions|145 Videos

Similar Questions

Explore conceptually related problems

Find the mean and variance for the following frequency distributions in

Find the mean and variance for the following frequency distributions in

Find the mean for the following frequency distribution :

Find the mean and variance of Binomial Distribution if p=1/2 ,n=1

Compute the variance of X whose distribution is given by

Find the mean and variance of the random variable X whose distribution is

Find the mean of the following frequency distribution by direct method.

Find the mean and standard deviation of the following frequency distribution :

If m and sigma^(2) are the mean and variance of the random variable X, whose distribution is given by: {:(X=x:,0,1,2,3),(P(X=x):,(1)/(3),(1)/(2),0,(1)/(6)):}

Find the mean and variance for the following probability distribution: |{:(x_(i),1,2,3,4),(p_(i),0.4,0.3,0.2,0.1):}|

RD SHARMA ENGLISH-STATISTICS-All Questions
  1. The mean deviation from e median is (a) equal to that measured from an...

    Text Solution

    |

  2. The weight of coffee in 70 jars is shown in the following table: We...

    Text Solution

    |

  3. Find the mean and variance of frequency distribution given below: x...

    Text Solution

    |

  4. While calculating eh mean and variance of 10 readings, a student wr...

    Text Solution

    |

  5. Mean  and standard deviation of 100 observations were found to be 4...

    Text Solution

    |

  6. Calculate the mean and standard deviation for the following data: W...

    Text Solution

    |

  7. The following table gives the distribution of income of 100 families i...

    Text Solution

    |

  8. Calculate the mean and standard deviation for the following table give...

    Text Solution

    |

  9. The measurements of the diameters (in mm) of the heads of 107 screws ...

    Text Solution

    |

  10. The mean deviation of the numbers 3, 4, 5, 6, 7 from the mean i...

    Text Solution

    |

  11. A batsman scores run in 10 innings as 38,70,48,34,42,55,63,46,54 and ...

    Text Solution

    |

  12. The mean deviation of the series a , a+d , a+2d ,.....,a+2n from its m...

    Text Solution

    |

  13. The following the record of goals scored by team a in football sess...

    Text Solution

    |

  14. An analysis of monthly wages paid to the works of two firms A and B ...

    Text Solution

    |

  15. Let x1, x2, ...... ,xn be values taken by a variable X a n d y1, y2,.....

    Text Solution

    |

  16. The algebraic sum of deviations of 10 observations measured from 16 is...

    Text Solution

    |

  17. Calculate the mean deviation about median from the following data: 340...

    Text Solution

    |

  18. For a group of 200 candidates the mean and S.D. were found to be 40 an...

    Text Solution

    |

  19. Find the mean deviation from the mean for the data: 6,7,10,12,13,4,8,2...

    Text Solution

    |

  20. The scores of a batsman in ten innings are : 38,70,48,34,42,55,63,46,5...

    Text Solution

    |