For the following set of scores, X Y 4 5 6 5 3 2 9 4 6
Question:
For the following set of scores, X Y 4 5 6 5 3 2 9 4 6 5 2 3
a. Compute the Pearson correlation.
b. Add 2 points to each X value and compute the correlation for the modified scores. How does adding a constant to every score affect the value of the correlation?
c. Multiply each of the original X values by 2 and compute the correlation for the modified scores.
How does multiplying each score by a constant affect the value of the correlation?
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781337098120
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano
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