10. For the following set of scores, XY 4 5 6 5 3 2 9 4 6 5 2 3 a. Compute the Pearson correlation. b. Add two 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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10. For the following set of scores,
XY
4 5
6 5
3 2
9 4
6 5
2 3
a. Compute the Pearson correlation.
b. Add two 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?
Transcribed Image Text:10. For the following set of scores, XY 4 5 6 5 3 2 9 4 6 5 2 3 a. Compute the Pearson correlation. b. Add two 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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