Is there a relationship between the weight and price of a mountain bike? This question was considered in Exercise 3.21. We will analyze the Mountain Bike data file on the text CD. (The data also were shown in Exercise 3.21.)
a. Construct a scatterplot. Interpret.
b. Find the regression equation. Interpret the slope in context. Does the y -intercept have contextual meaning?
c. You decide to purchase a mountain bike that weighs 30 pounds. What is the predicted price for the bike?