Determine whether each of the following questions requires correlation analysis
Determine whether each of the following questions requires correlation analysis or regression analysis to obtain an answer.
a. Is there a correlation between the grades a student attained in high school and the grades he or she attained in college?
b. What is the relationship between the weight of a package and the cost of mailing it first class?
c. Is there a linear relationship between a person’s height and shoe size?
d. What is the relationship between the number of worker-hours and the number of units of production completed?
e. Is the score obtained on a certain aptitude test linearly related to a person’s ability to perform a certain job?
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