In a study about beer froth, a researcher poured beer into a cylindrical beer mug and recorded
Question:
Let y be the mean height (in centimeters) of froth for an Erdinger Weissbier x minutes after having been poured.
a. Construct a scatterplot that compares values of x and y.
b. Find the regression equation that models the association between x and y.
c. Describe the four characteristics of the association between x and y. Compute and interpret an appropriate correlation coefficient as part of your analysis.
d. Use the model to predict the mean height of froth 1 minute after an Erdinger Weissbier is poured.
e. Find the residual for your prediction in part (d). What does it mean in this situation?
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