Author Question: A history instructor has given the same pretest and the same final examination each semester. He is ... (Read 78 times)

Haya94 · **on:** Jan 16, 2020

A history instructor has given the same pretest and the same final examination each semester. He is interested in determining if there is a relationship between the scores of the two tests. He computes the linear correlation coefficient and notes that it is 1.15. What does this correlation coefficient value tell the instructor?
◦ There is a strong positive correlation between the tests.
◦ There is a strong negative correlation between the tests.
◦ The history instructor has made a computational error.
◦ The correlation is something other than linear.

aprice35067 · **Reply #1 on:** Jan 16, 2020

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