Home
Class 10
MATHS
If the mean and standard deviation of a ...

If the mean and standard deviation of a data are 8 and 2 respectively then the co-efficient of variation is ___.

A

0.16

B

0.25

C

0.52

D

0.61

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NUMBER AND SEQUENCES

    SURA PUBLICATION|Exercise Unit test|12 Videos

  • RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise Unit Test|14 Videos

Similar Questions

Explore conceptually related problems

Mean and standard deviation of a data are 48 and 12 respectively. The coefficient of variation is .............

The standard deviation and mean of a data are 6.5 and 12.5 respectively. Find the coefficient of variation.

If the mean and S.D of a data are 8 and 2 respectively then the C.V is ____.

If the mean and standard deviation of a binomial distribution are 12 and 2 respectively . Then the value of its parameter p is ………….. .

The mean and standard deviation of 20 items are found to be 10 and 2 respectively. At the time of checking it was found that an item 12 was wrongly entered as 8 . Calcualte the correct mean and standard deviation.

If the sum and mean of a data are 407 and 11 respectively, then the number of observations in the height is ___.

The mean and standard deviation of six observations are 8 and 4, respectively. If each observation is multiplied by 3, find the new mean and new standard deviation of the resulting observations

The standard deviation of data 6,5,9,13,12,8 and 10 is

If the mean and coefficient of variation of a data are 15 and 48 respectively, then find the value of standard deviation.

If the sum and mean of the data are 418 and 11 respectively then the no. of observation is the data is:

SURA PUBLICATION-ONE MARK QUESTIONS SET -Multiple Choice Question
  1. If the ratio of the height of a tower and the length of its shadow is ...

    Text Solution

    |

  2. The curved surface area of a right circular cone of height 15 cm and b...

    Text Solution

    |

  3. If the mean and standard deviation of a data are 8 and 2 respectively ...

    Text Solution

    |

  4. If BtimesA={(-2, 3), (-2, 4), (0, 3) ,(0, 4), (3, 3), (3, 4)} find the...

    Text Solution

    |

  5. A curve drawn in a graph represents a function, if every line interse...

    Text Solution

    |

  6. 7^(4k)= (mod 100)

    Text Solution

    |

  7. Fill in the blanks, if the term are in G.P. (1)/(8), (3)/(4), (9)/(2),...

    Text Solution

    |

  8. Determine the nature of root for the quadratic equation 2x^(2)-2x+9=0 ...

    Text Solution

    |

  9. If the graph of the given quadratic equation touch the x-axis at only ...

    Text Solution

    |

  10. If a matrix has 16 elements, what is the number of possible orders=.

    Text Solution

    |

  11. If triangleABC, DE||BC, AB=3.6m, AC=2.4cm and AD=2.1cm then the length...

    Text Solution

    |

  12. What is the slope of the line whose inclination is 30^(@)?

    Text Solution

    |

  13. Who is the "Father of Trigonometry"?

    Text Solution

    |

  14. tan60^(@)cos60^(@)+cot60^(@)sin60^(@)=.

    Text Solution

    |

  15. If the height is 2m and the base area is 250m^(2) then find the volume...

    Text Solution

    |

  16. The greatest value of a collection of a data is 72 and the least value...

    Text Solution

    |

  17. Two dice are thrown simultaneously. The probability of getting a doubl...

    Text Solution

    |

  18. If f: R to R is defined by f(x)=x^(2)+2, then the preimage of 27 are .

    Text Solution

    |

  19. If A={a, b, c}, B={2, 3} and C={a, b, c, d} then n[(AcapC)timesB] is ...

    Text Solution

    |

  20. If f(x)=ax-2, g(x)=2x-1 and if fog=gof then the value of 'a' is .

    Text Solution

    |