Home
Class 12
MATHS
The mean and variance of the six values ...

The mean and variance of the six values of a variate are 8 and `8(2)/(3)`. If the four values of the variate be 4,9,11 and 12, find the other two values of the variate.

Text Solution

Verified by Experts

The correct Answer is:
5 and 7
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Sample question for competitive exams (A Integer answer type)|5 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Sample question for competitive exams (B Matrix match type)|2 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Exercise 3 Short answer type|23 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

  • MEASURMENT OF TRIGONOMETRICAL ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion -Reason Type)|2 Videos

Similar Questions

Explore conceptually related problems

The mean and variance of a binomial distribution are 4 and 3 respectively. Find the values of its parameters.

The mean and variance of a binomial distribution are 4 and 3 respectively. Find the values of its parameters.

The mean and variance of 8 observations are 9 and 9.25 respectively. If six of the observation are 6,7,10,12,12 and 13, find the remaining two observations.

Find the value of .^8 C_4

The mean of 5 observations is 4.4 and the variance is 8.24. If three of the five observations are 1,2 and 6, find the other two.

The arithmetic mean and standard deviation of 7 observations are respectively 8 and 16. If five of the observations are 2, 4, 10, 12 and 14 then find the values of the remaining two.

The mean and variance of seven observations are 8 and 16 respectively. If five of these be 2,4,10,12, 14, find the remaining two observations.

The mean and variance of eight observations are 9 and 9.25, respectively. If six of the observations are 6, 7, 10, 12, 12 and 13 , find the remaining two observations.

The arithmetic mean and standard deviation of 7 observations are respectively 8 and 4.If five of the observations are 2,4,10,12 and 14 then find the values of the remaining two

The mean and variance of 7 observations are 8 and 16, respectively. If five of the observations are 2, 4, 10, 12, 14 . Find the remaining two observations.

CHHAYA PUBLICATION-MEASURES OF DISPERSION -Exercise 3 (Long answer type questions)
  1. Two samples of sizes 60 and 90 have 52 and 48 as the respective A.Ms. ...

    Text Solution

    |

  2. Calculate the A.M. and the mean deviation thereform, from the followin...

    Text Solution

    |

  3. From the following data determine in which factory X or Y, there is gr...

    Text Solution

    |

  4. An analysis of weekly wages (in Rs.) paid to workers in two firms A an...

    Text Solution

    |

  5. Two distributions have the same mean Rs. 7500 and standard deviations ...

    Text Solution

    |

  6. In two firms X and Y engaged in the same industry, the average monthly...

    Text Solution

    |

  7. Two batsmen A and B made the following scores in a series of criket ma...

    Text Solution

    |

  8. From the following data determine in which firm, A or B there is grea...

    Text Solution

    |

  9. In two factories A and B engaged in the same industry in an area, the ...

    Text Solution

    |

  10. From the data given below, state with reason which series is more vari...

    Text Solution

    |

  11. Find the coefficient of variation of the following data :

    Text Solution

    |

  12. Find the variance and coefficient of variation of the following freque...

    Text Solution

    |

  13. Calculate the variance of the following distribution (correct upto 3 p...

    Text Solution

    |

  14. Find the semi-interquartile range for the following distribution : ...

    Text Solution

    |

  15. Calculate the appropriate measure of dispersion from the following dat...

    Text Solution

    |

  16. The mean and variance of the six values of a variate are 8 and 8(2)/(3...

    Text Solution

    |

  17. The first of the two samples has 100 items with mean 15 and S.D. 3. If...

    Text Solution

    |

  18. The mean and S.D. of income of 50 men are Rs. 3200 and Rs. 525 respect...

    Text Solution

    |

  19. From some financial statistics, it is found that the monthly average e...

    Text Solution

    |

  20. The mean and the standard deviation of the following frequency distrib...

    Text Solution

    |