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The sum of the all the observations divi...

The sum of the all the observations divided by number of observation is___.

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The correct Answer is:
arithmetic mean
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Knowledge Check

  • The mean of 100 observations is 40 and their standard deviation is 3. The sum of square of all observation is ____.

    A
    `40000`
    B
    `160900`
    C
    `160000`
    D
    `30000`

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    If the sum of the deviations of 50 observations from 30 is 50, then the mean of these observations is

    The mean and variance of 7 observations are 8 and 16 respectively . If five of the observations are 2,4,10,12,14, find the remaining two observations.

    Radial symmetry is observed in ____

    Arithmetic mean of 10 observations was found to be 22. If one more observation 44 was to be added to the data, what would be the new mean?

    The sum of (x+5) observations is (x^(3)+ 125) . Find the mean of the observations.

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