Multiple Choice Questions on If the total number of observations is 20 xi 1000 and xi2 84000 then what is the variance of the dis........... for NDA Exam Preparation

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Multiple Choice Questions

If the total number of observations is 20 xi 1000 and xi2 84000 then what is the variance of the dis...........

Mathematics (NDA) Probability
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    If the total number of observations is 20, \small \sumxi = 1000 and \small \sumxi2 = 84000, then what is the variance of the distribution?

    1500

    Incorrect Answer

    1600 

    Incorrect Answer

    1700 

    Correct Answer

    1800

    Incorrect Answer
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