Home
Class 11
MATHS
The first two moments of a distribution ...

The first two moments of a distribution about the value 5 are 3 and 25 respectively. If the mode is 6 obtain pearson’s coefficients of skewness and coefficient of variation.

Promotional Banner

Topper's Solved these Questions

  • Model Test Set - 10

    UNITED BOOK HOUSE|Exercise Exercise |41 Videos
  • Model Test Set - 5

    UNITED BOOK HOUSE|Exercise Exercise|43 Videos

Similar Questions

Explore conceptually related problems

The first three moments of a distribution about the value 3 of a variable are 2, 10 and 30 respectively. Obtain the first three moments about zero.

The first three moments of a distribution about the value 2 of the variable are 1, 16 and -40 respectively. Find the first three moments about 0 and the variance of the distribution.

The first moment about the value 4 of a variable is 3, then its mean is

If the mean and median of a distribution is 5 and 6 respectively, then find the value of mode.

If the mean and mode of a distribution is 5 and 4 respectively, then find the value of median.

The lower and the upper quartiles of a disiribution are 14.6 and 25.2 respectively and the coefficient of skewness is 0.5. Find the median of the distribution.

For a slightly asymmetric distribution, mean and medain are 5 and 6, respectively. What is its mode ?

For a slightly asymmetric distribution, mean and medain are 5 and 6, respectively. What is its mode ?

The first two term of a G.P are 125, and 25 respectively. Find the 5th and 6th term of the GP.

The mean, median and the coefficient of variation of a distribution are respectively 45, 42 and 40%. Find the standard deviation, mode and coefficient of skewness.

UNITED BOOK HOUSE-Model Test Set - 4-Exercise
  1. For any two events A1 and A2, show that P(A1 cap A2)lemin{P(A1),P(A2)...

    Text Solution

    |

  2. Show that if events A and B are independent, then so are A^c and B^c.

    Text Solution

    |

  3. In a group of 20 males and 5 females, 10 males and 3 females ae servic...

    Text Solution

    |

  4. The first two moments of a distribution about the value 5 are 3 and 25...

    Text Solution

    |

  5. What are the principal characteristics of an ideal average?

    Text Solution

    |

  6. If A.M and G.M of two positive real numbers are 25 and 15 respectively...

    Text Solution

    |

  7. Find the condition that the equation x^3 + bx^2 + cx +d =0 may have tw...

    Text Solution

    |

  8. If f(x) = 6x^3 + 4x^2 + 3x +2, find the values of f(-1), f (1/3) and f...

    Text Solution

    |

  9. Prove that logn(n + 1) > log(n + 1) (n + 2), for n > 1.

    Text Solution

    |

  10. Write the axiomatic definition of probability?

    Text Solution

    |

  11. A picnic is arranged to be held on a particular day. The weather forec...

    Text Solution

    |

  12. State and prove the theorem of compound probability.

    Text Solution

    |

  13. What do you mean by purchasing power of money?

    Text Solution

    |

  14. What do you mean by diagrammatic representation of data. Also write it...

    Text Solution

    |

  15. Write a short note on measures of central tendency.

    Text Solution

    |

  16. The first three moments of a distribution about the value 3 of a varia...

    Text Solution

    |

  17. Three boxes of the same appearance have the following proportions of b...

    Text Solution

    |

  18. Three boxes of the same appearance have the following proportions of b...

    Text Solution

    |

  19. For any two events A and B, show that max {P(A),P(B)} le P(A cup B) ...

    Text Solution

    |

  20. What is Life table?

    Text Solution

    |