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Calculating the Pearson Correlation Involves Calculating Eight Things: ΣX2, (ΣX)2

Question 8

Multiple Choice

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


A) 1
B) 2
C) 3
D) 4 or more

Correct Answer:

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