Home
Class 12
MATHS
The coefficient of variation of two dist...

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

A

1)35

B

2)23

C

3)28.25

D

4)22.85

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • K-CET-MATHEMATICS-2015

    SUNSTAR PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|60 Videos

  • P.U .BOARD LATEST MODEL QUESTION PAPER - 2

    SUNSTAR PUBLICATION|Exercise PART-E|4 Videos

Similar Questions

Explore conceptually related problems

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

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

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

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

If in a frequency distribution, the mean and median are 21 and 22 respectively, then its mode is approximately :

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

Two series A and B with equal means standard deviation 9 and 10 respectively . Which series is more consistent ?

SUNSTAR PUBLICATION-K-CET-MATHEMATICS-2016-MULTIPLE CHOICE QUESTIONS
  1. If the straight lines 2x+3y-3=0 and x+ky+7=0 are perpendicular, then t...

    Text Solution

    |

  2. The rate of change of area of a circle with respect to its radius at r...

    Text Solution

    |

  3. Find the value of tan ""pi/8.

    Text Solution

    |

  4. Area lying between the curves y^(2)=2x and y=x is

    Text Solution

    |

  5. If P(AnnB)=7//10andP(B)=17//20, where P stands for probability then P(...

    Text Solution

    |

  6. The coefficient of variation of two distribution are 60 and 70. The st...

    Text Solution

    |

  7. Two cards are drawn at randrom from a pack of 52 cards. The probabilit...

    Text Solution

    |

  8. If sin^(-1)x+sin^(-1)y=(pi)/(2), then x^(2) is equal to

    Text Solution

    |

  9. The value of int(2)^(8)(sqrt(10-x))/(sqrt(x)+sqrt(10-x))dx is

    Text Solution

    |

  10. Write the contrapositive and converse of the following statements. I...

    Text Solution

    |

  11. Two dice are thrown simultaneously. The probability of obtaining a tot...

    Text Solution

    |

  12. If A=[(cos alpha, -sin alpha),(sin alpha, cos alpha)], and A+A'=I, the...

    Text Solution

    |

  13. IF A = [{:(3,,1),(-1,,2):}] then A^(2) -5A is equal to

    Text Solution

    |

  14. Find a value of "x"for which x( hati + hatj+ hatk) is a uni...

    Text Solution

    |

  15. If x=2+3costheta and y=1-3sintheta represent a circle then the centre ...

    Text Solution

    |

  16. The vector equation of the plane which is at a distance of 3//sqrt(14)...

    Text Solution

    |

  17. Find the co-ordinates of the foot of the perpendicular drawn from the ...

    Text Solution

    |

  18. If cos alpha, cos beta, cos gamma are the direction cosines fo a vecto...

    Text Solution

    |

  19. The value of the sin 1^(@) + sin2^(@) + … + sin359^(@) is equal to

    Text Solution

    |

  20. Integrating factor of x(dy)/(dx) -y = x^(4) -3x is

    Text Solution

    |