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If for a sample of size 60, we have the ...

If for a sample of size 60, we have the following information `sumx_i^2=18000 \ and \ sumx_i^2=960` , then the variance is (a) 6.63 (b) 16 (c) 22 (d) 44

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If for a sample of size 60, we have the following information sumx_i^2=18000 \ and \ sumx_i=960 , then the variance is (a) 6.63 (b) 16 (c) 22 (d) 44

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Knowledge Check

  • If for a distribution sumx_(i)^2=2400 and sumx_(i)=250 and the total number of observations is 50, then variance is

    A
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    B
    (b) 21
    C
    (c) 22
    D
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