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Calculating and Testing the Pearson Correlation Involves Calculating Nine Things

Question 92

Multiple Choice

Calculating and testing the Pearson correlation involves calculating nine things: ΣX2, (ΣX) 2, ΣY2, (ΣY) 2, SSX, SSY, SPXY, r, and the critical values. How many of these nine things can be a negative number?


A) 0
B) 1
C) 2
D) 3

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