(a) Is there a correlation between the grades a student attained in high school and the grades he or she attained in college? (Correlation, Regression, Not Enough Information)
(b) What is the relationship between the weight of a package and the cost of mailing it first class? (Correlation, Regression, Not Enough Information)
(c) Is there a linear relationship between a person's height and shoe size? (Correlation, Regression, Not Enough Information)
(d) What is the relationship between the number of worker-hours and the number of units of production completed? (Correlation, Regression, Not Enough Information)
(e) Is the score obtained on a certain aptitude test linearly related to a person's ability to perform a certain job? (Correlation, Regression, Not Enough Information)