Home
Class 11
MATHS
If upsilon is the variance and sigma is ...

If `upsilon` is the variance and `sigma` is the standard deviation, then

A

`upsilon=1/sigma^2`

B

`upsilon=1/sigma`

C

`upsilon=sigma^2`

D

`upsilon^2=sigma`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE

    PATHFINDER|Exercise QUESTION BANK|217 Videos

  • STATISTICS AND MATHEMATICAL REASONING

    PATHFINDER|Exercise QUESTION BANK|115 Videos

Similar Questions

Explore conceptually related problems

If v is the variance and sigma is the standard diveation then

If v is the variance and sigma is the standard diveation then -

Find the standard Deviation of 6 and 8.

Find the variance and standard deviation for the following data:

The standard deviation of a variate x is sigma The standard deviation of the variable (aX+b)/c : a,b c, are constants, is

If the standard deviation of a variable x is sigma , then standard deviation of variable (a X+b)/c is (a). sigma (b) a/csigma (c) |a/c|sigma (d) (asigma+b)/c

Two cards are drawn simultaneously (or successively without replacement ) from a well shuffled packl of 52 cards find the mean, variance and standard deviation of the number of kings

Let a, b, c, d, e, be the observations with mean m and standard deviation s. The standard deviation of the observations a+k, b+k, c+k, d+k, e+k is

PATHFINDER-STATISTICS-QUESTION BANK
  1. The mean of the series a,a+d, a+2d,…,a+2nd is

    Text Solution

    |

  2. The mean deviation of the series 3, 4, 5, 6, 7 about the median is

    Text Solution

    |

  3. If upsilon is the variance and sigma is the standard deviation, then

    Text Solution

    |

  4. Find the range of the data 72, 62, 44, 25, 94, 54, 9, 56, 71, 27

    Text Solution

    |

  5. Find the standard Deviation of 6 and 8.

    Text Solution

    |

  6. Find the mean if the coefficient of variation is 5% and variance is 4.

    Text Solution

    |

  7. If the mean of the numbers 27+x, 31+x, 89+x, 107+x, 156+x is 82, then ...

    Text Solution

    |

  8. In a class of 100 students there are 70 boys whose average marks in su...

    Text Solution

    |

  9. The median of a set of 9 distinct observations 20.5. If each of the la...

    Text Solution

    |

  10. A set of numbers consisting of three 4's, five 5's, six 6's, eight 8's...

    Text Solution

    |

  11. Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...

    Text Solution

    |

  12. Find the mean deviation about the median of the data : 34, 23, 46, 37,...

    Text Solution

    |

  13. Find the mean if the coefficient of variation is 5% and variance is 4.

    Text Solution

    |

  14. If co-efficient of variation = 45% and mean = 24. Find the standard De...

    Text Solution

    |

  15. Two variables x and y are related by y = 2-3x If the S.D of x be 1.5 t...

    Text Solution

    |

  16. The variance of first n natural numbers is 44. Find the value of n.

    Text Solution

    |

  17. Find the range for the following frequency distribution :

    Text Solution

    |

  18. The standard Deviation of 30 observation of a sample is 4.5 If each ob...

    Text Solution

    |

  19. If the SD of the first numbers even integers be sqrt40, then find numb...

    Text Solution

    |

  20. Find the mean and variance of the data : 5, 9, 8, 12, 6, 10, 6, 8

    Text Solution

    |