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    If in a test of 50 items with means of 30 and standard deviation of 6, which will be the reliability of the test?
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    If in a test of 50 items with means of 30 and standard deviation of 6, which will be the reliability of the test?

    A.

    0.86

    B.

    0.69

    C.

    0.78

    D.

    0.68

    Correct option is D



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