For the following set of scores:
X Y
6 4
3 1
5 0
6 7
4 2
6 4
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?
1 answer
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