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The mean deviation of an ungrouped data ...

The mean deviation of an ungrouped data is 10. If each observation is increased by 4% the revised mean deviations is

A

`10.0`

B

`10.4`

C

`10.04`

D

`9.6`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The mean deviation of an unground data is 50. If each observation is increased by 2% then the new mean deviation is

    A
    50
    B
    21
    C
    49
    D
    `50.5`

  • Choose the most appropriate options. The standard deviation of a data is 6, when each observation is increased by 1, then the standard deviation of new data is

    A
    5
    B
    7
    C
    6
    D
    8

  • If each observation of the data is increased by 5, then their mean

    A
    remains the same
    B
    becomes 5 times the original mean
    C
    is decreased by 5
    D
    is increased by 5

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