Home
Class 11
MATHS
The coefficient of variation for a distr...

The coefficient of variation for a distribution is 60 and standard deviation is 21. Find the arithmetic mean.

Promotional Banner

Topper's Solved these Questions

  • SOLVED PAPER 2017-1

    OSWAAL PUBLICATION|Exercise EXERCISE|55 Videos
  • SOLVED PAPER 2018-2

    OSWAAL PUBLICATION|Exercise EXERCISE|62 Videos

Similar Questions

Explore conceptually related problems

Coefficient of variation of distribution are 70 and the standard deviation is 16. What is the arithmetic mean of the distribution

If coefficient of variation is 60 and standard deviation is 24, then arithmetic mean is

The coefficient of variation of two distribution are 60 and 70. The standard deviations are 21 and 16 respectively, then their mean is

The coefficient of variation of two distributions are 60 and 70. The standard deviation are 2t and 16 respectively. Then their mean is

If the coefficient of variation and standard deviation are 60 and 21 respectively, the arithmetic mean of distribution is

If the coefficient of variation and standard deviation are 60 and 21 respectively, the arithmetic mean of distribution is

If the mean of the binomial distribution is 20 and standard deviation is 4 , then the number of events is :

For a frequency distribution, standard deviation is computed by :

Coefficients of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25 respectively. Difference of their standard deviations is :

If the mean of a Poisson's Distribution is lambda , then is standard deviation is :

OSWAAL PUBLICATION-SOLVED PAPER 2018-1-EXERCISE
  1. Ecaluate underset(x rarr 0)(Lt)(sinax/sinbx).

    Text Solution

    |

  2. Write the converse and contrapositive of the statement"If x is prime t...

    Text Solution

    |

  3. The coefficient of variation for a distribution is 60 and standard dev...

    Text Solution

    |

  4. A and B are two events such that P(A) =0.54,P(B) =0.69 and P( A nnB) ...

    Text Solution

    |

  5. In a class of 35 students, 24 like to play cricket and 16 like to play...

    Text Solution

    |

  6. Let f(x)=x^(2) and g(x)=2x+1 be two real functions. Find (f+g) (x), (f...

    Text Solution

    |

  7. Let f(x)=x^(2) and g(x)=2x+1 be two real functions. Find (f+g) (x), (f...

    Text Solution

    |

  8. Let f(x)=x^(2) and g(x)=2x+1 be two real functions. Find (f+g) (x), (f...

    Text Solution

    |

  9. Find the general solution of the equation cos2x+3sin x=0

    Text Solution

    |

  10. Solve sqrt 2x^2+x+sqrt 2=0

    Text Solution

    |

  11. If ((1+i)/(1-i))^(m)=1, then find the least positive integral value of...

    Text Solution

    |

  12. Find r, if 5 xx ""^(4)P(r) = 6 xx ""^(5)P(r - 1).

    Text Solution

    |

  13. Find the middle term in the expansion of ((x)/(3)+9y)^(10)

    Text Solution

    |

  14. In an A.P if m^(th) term is n and n^(th) term is m, where mnen, find t...

    Text Solution

    |

  15. Insert five numbers between 8 and 26 such that the resulting sequence ...

    Text Solution

    |

  16. Find the coordinates of the vertices, length of the latus rectum and e...

    Text Solution

    |

  17. Compute the derivative of sinx using first principal method ?

    Text Solution

    |

  18. Verify by the method of contradiction P: sqrt(5) is irrational.

    Text Solution

    |

  19. A die is thrown. Find the probability that (i) A prime number will a...

    Text Solution

    |

  20. A die is thrown.Write the sample space.Also find the probability of th...

    Text Solution

    |