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The mean of the data set comprising of 1...

The mean of the data set comprising of 16 observations is 16. If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data, is-

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The mean of 5 observations is 4.4 and their variance is 8.24. If three of the observations are 1, 2 and 6, find the other two observations.

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Knowledge Check

  • The mean of the data set comprising of 16 observations is 16 . If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data then mean of the resultant data is :

    A
    16
    B
    15.8
    C
    14
    D
    16.8

  • The mean of 16 observations is 16. And if one obsevation 16 is deleted and three observa tions 5, 5 and 6 are induded, then find the mean of final observation.

    A
    16
    B
    15.5
    C
    13.5
    D
    14.2

  • The mean for the observation 1, 2, 3,4 is

    A
    4
    B
    2.5
    C
    3.6
    D
    none of these

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