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In Order for the Correlation Coefficient to Be Negative, Which

Question 77

Multiple Choice

In order for the correlation coefficient to be negative, which of the following must be true?

A) ΣXY > ( ΣX ) ( Σ Y ) / N
B) ΣXY (ΣX ) ( ΣY ) / N
C) ΣXY = ( ΣX ) ( ΣY ) / N
D) ΣXY must be zero

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