Home
Class 12
MATHS
In a data the number I is repeated I tim...

In a data the number I is repeated I times for i=1, 2, …,n. Then the mean of the data is

A

`(2n+1)/(6)`

B

`(2n+1)/(4)`

C

`(2n+1)/(3)`

D

`(2n+1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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

Find the mean of the following data

find the mean of the following data.

Find the mean of the following data.

Find the mean of following data

The mean deviation about the mean for the data is

Find the mean for the following data

find the arithmetic mean of the following data.

Find the mean deviation about the mean for the data in

AAKASH SERIES-MEASURES OF DISPERSION (STATISTICS)-Exercise - I
  1. If the average of the first n numbers in the sequence 148, 146, 144,…....

    Text Solution

    |

  2. In a data the number I is repeated I times for i=1, 2, …,n. Then the m...

    Text Solution

    |

  3. The mean of 10 observations is 16.3. By an error one observations is r...

    Text Solution

    |

  4. Mean of 100 items is 49. It was discovered that three items which shou...

    Text Solution

    |

  5. The mean weight of 9 items is 15. If one more items is added to the se...

    Text Solution

    |

  6. Consider the frequency distribution of the given number If the me...

    Text Solution

    |

  7. Mean of the numbers 1,2,3,…,n with respective weights 1^(2) + 1, 2^(...

    Text Solution

    |

  8. The mean of n items is bar(x). If the first item is increased by 1, se...

    Text Solution

    |

  9. The number of observation in a group is 40. If the average of first 10...

    Text Solution

    |

  10. Mean of a set of numbers is bar(x). If each number is increased by lam...

    Text Solution

    |

  11. The median of 5,19,14,6,8,9,12,13,21 is

    Text Solution

    |

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

    Text Solution

    |

  13. Median of (x)/(5), x, (x)/(4), (x)/(2), (x)/(3) is 8. If x gt 0 then v...

    Text Solution

    |

  14. The mean and median of 100 items are 50 and 52 respectively. The value...

    Text Solution

    |

  15. Mode of the data 3,2,5,2,3,6,6,5,3,5, 2, 5 is

    Text Solution

    |

  16. Mode of the following distribution is

    Text Solution

    |

  17. If the difference between mean and mode is 63, then difference between...

    Text Solution

    |

  18. If the mode of the data 25,15,20,25,18,14,15,18,16,20,25,20,x,18 is 25...

    Text Solution

    |

  19. A data consists of two 2's, four 4's, six 6's three 8s', and 10. Then ...

    Text Solution

    |

  20. The average value of the median of 2,8,3,7,4,6,7 and the mode of 2,9,3...

    Text Solution

    |