Home
Class 12
MATHS
The variance of the first 50 even natura...

The variance of the first 50 even natural numbers is

A

`833//4`

B

833

C

437

D

`437//4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF DISPERSION (STATISTICS)

    AAKASH SERIES|Exercise Exercise - II|32 Videos

  • MEASURES OF DISPERSION (STATISTICS)

    AAKASH SERIES|Exercise Practice Exercise|54 Videos

  • MEASURES OF DISPERSION (STATISTICS)

    AAKASH SERIES|Exercise Additional Exercise (Long answer Questions)|11 Videos

  • MEAN VALUE THEOREMS

    AAKASH SERIES|Exercise EXERCISE|28 Videos

  • PARABOLA

    AAKASH SERIES|Exercise EXERCISE -3.2 III.|5 Videos

Similar Questions

Explore conceptually related problems

Statement - I : The variance of first n even natural numbers is (n^(2) - 1)/(4) Statement - II : The sum of first n natural numbers is (n(n+1))/(2) and the sum of the squares of first n natural numbers is (n(n+1)(2n+1))/(6)

The sum of the first 20 even natural numbers is

Sum of the first 10 natural numbers is

The variance of first 20 - natural numbers is

The A.M of first n natural numbers is

The sum of first 50 even numbers is

AAKASH SERIES-MEASURES OF DISPERSION (STATISTICS)-Exercise - I
  1. If the mean of 10 observations is 50 and the sum of the squares of the...

    Text Solution

    |

  2. Standard deviation of first 'n' natural numbers is

    Text Solution

    |

  3. The variance of the first 50 even natural numbers is

    Text Solution

    |

  4. The median and S.D. of a distribution are 20 and 4 respetively. If eah...

    Text Solution

    |

  5. The standard deviation of 26, 27, 31, 32, 35 is

    Text Solution

    |

  6. The standard deviation of a, a+d, a + 2d,….a + 2nd is

    Text Solution

    |

  7. The variance of first 10 multiples of 3 is

    Text Solution

    |

  8. For a group of 50 male workers, the mean and S.D. of their daily wages...

    Text Solution

    |

  9. If standard deviation of 1,2,3,4,….,10 is sigma then standard deviatio...

    Text Solution

    |

  10. The standard deviation of a variable x is sigma. The standard deviatio...

    Text Solution

    |

  11. The variance of observation x(1), x(2),x(3),…,x(n) is sigma^(2) then t...

    Text Solution

    |

  12. The standard deviations of two sets containing 10 and 20 members are 2...

    Text Solution

    |

  13. The standard deviation of the observations 22, 26, 28, 20, 24, 30 is

    Text Solution

    |

  14. The mean of five observations is 4 and their variance is 5.2. If three...

    Text Solution

    |

  15. Which of the following is correct relations a symmetrical distribution...

    Text Solution

    |

  16. One of the methods of determining mode is

    Text Solution

    |

  17. Which of the following is correct for data -1, 0, 1,2,3,5,5,6,8,10,11

    Text Solution

    |

  18. If m is mean of distribution, then sum(x(i) - m) is equal to

    Text Solution

    |

  19. Consider the following statements : (i) Mode can be computed from hi...

    Text Solution

    |

  20. Match the correct parts to make a valid statement The correct mat...

    Text Solution

    |