Ayushi Asked a Question
August 10, 2020 6:01 pmpts 30 pts
88. The correlation betweenx and y will be zero if (1) Var (x )=0 (2) Var (x). Var () =0 (3) Var (y)-0 (4) Covar (y)=0
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  • Nidhi taparia Best Answer
    The correct answer is (4). When covariance between x and y is zero, their correlation is also zero. If the variance of any of them or both is zero, then correlation is not defined.
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  • Nidhi taparia
    The correct answer is (4). Correlation is zero when covariance is zero. If any one or both variances are zero, then the correlation coefficient is not defined.
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