Home
Class 11
MATHS
the variance of first 50 even natural nu...

the variance of first 50 even natural numbers is ,

A

437

B

`(437)/(4)`

C

`(833)/(4)`

D

833

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    PATHFINDER|Exercise QUESTION BANK|45 Videos

  • STRAIGHT LINE

    PATHFINDER|Exercise QUESTION BANK |25 Videos

Similar Questions

Explore conceptually related problems

If the variance of first n even natural nembers if 65, find n.

If the variance of lst.n even natural numbers is 65, find the value of n

Find the variance of first n natural numbers.

The variance of first 20 natural numbers is

The variance of first 20 natural numbers is-

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

Mean of first n natural numbers is

The sum of the squares of first n natural numbers is -

There are natural numbers. Answer the following questions considering first natural numbers. Variance of first n natural numbers is -

The sum of the cubes of first n natural numbers is -

PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. Which of the following is different from the others?

    Text Solution

    |

  2. Which of the following is different from the others?

    Text Solution

    |

  3. In each of the statements pto~q~rtoq and p is true, then

    Text Solution

    |

  4. Additive identity of the Boolean algebra of logical statement is

    Text Solution

    |

  5. Multiplicative identity of the Boolean algebra of logical statements i...

    Text Solution

    |

  6. Let X be a non-empty set, then P(X)={A:AsubX} is a Boolean lattice w.r...

    Text Solution

    |

  7. Which of the following is true?

    Text Solution

    |

  8. Consider the 2-place Boolean function f :{0,1} rarr{0,1} defined by ...

    Text Solution

    |

  9. If x,y are any two elements of a Boolean lattice, then (x'+y')' is equ...

    Text Solution

    |

  10. The mean of the data set comprising of 16 observations is 16 . If one ...

    Text Solution

    |

  11. The variance of first 20 natural numbers is

    Text Solution

    |

  12. The negation of ~svee(~rwedges) is equivalent to

    Text Solution

    |

  13. the variance of first 50 even natural numbers is ,

    Text Solution

    |

  14. The statement ~(pharr~q) is

    Text Solution

    |

  15. All the students of a class perfomed poorly in mathematic. The techer ...

    Text Solution

    |

  16. Statement I : (p^^∼q)∧(∼p^^q) is a fallacy. Statement II : (p→q)↔(∼q→...

    Text Solution

    |

  17. Let x1,x2,……,xn be n observations, and let barx be their arithimetic m...

    Text Solution

    |

  18. The negation of the statement "If I become teacher, then I will open ...

    Text Solution

    |

  19. If the mean deviation about the median of the numbers a, 2a,…50a is 50...

    Text Solution

    |

  20. Consider the following statements P : suman is brilliant, Q: suman ...

    Text Solution

    |