13. Researchers found a correlation of 0.74 between sex (male, female) and education (high school, undergraduate, graduate). What of the following statements is correct?
a. more males continue to graduate studies
b. more females continue to graduate studies
c. it is not appropriate to calculate a correlation coefficient for these data
d. the correlation of 0.74 is suspect because we expected a negative relationship.
The answer to your question is this:
13. c it is not appropriate to calculate a ...
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