An investigator found strong evidence that elderly teachers and young teachers scored low on an aptitude test while middle-aged teachers scored high on this test. This is an example of
a. high positive Pearson's r correlation. c. curvilinear relationship.
b. high negative Pearson's r correlation. d. lack of relationship between variables.
Question 2
The coefficient of determination reveals
a. how well an individual did on a test.
b. how well a class as a whole did on at test.
c. how well an individual did in relation to the rest of the class.
d. whether a correlation is positive or negative.
e. how much relationship there is between two sets of scores.
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