Refer to Exercise 21, including Fig. 95. a. Use the linear model to estimate the number of

Question:

Refer to Exercise 21, including Fig. 95.
a. Use the linear model to estimate the number of ride-related injuries in 2002.
b. What was the actual number of ride-related injuries in 2002?
c. Is your result in part (a) an underestimate or an overestimate? Explain how you can tell this from the graph of the scatterplot and the sketch of the model. Calculate the error in the estimate.