After several studies, Professor Smith concludes that there is a zero correlation between body weight and bad tempers. This means that _________.
a. heavy people tend to have bad tempers
b. skinny people tend to have bad tempers
c. no one has a bad temper
d. everyone has a bad temper
e. a person with a bad temper may be heavy or skinny
Question 2
It is possible to compute a coefficient of correlation if one is given _________.
a. a single score
b. two sets of measurements on the same individuals
c. 50 scores of a clerical aptitude test
d. all of these
e. none of these
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