Question: Coasters 2015, revisited The dataset on roller coasters from Chapter 6, Exercise 23 lists the Duration of the ride in seconds in addition to the

Coasters 2015, revisited The dataset on roller coasters from Chapter 6, Exercise 23 lists the Duration of the ride in seconds in addition to the Drop height in feet for some of the coasters. One coaster (the “Tower of Terror”) is unusual for having a large drop but a short ride. After setting it aside, a regression to predict Duration from Drop for the remaining 90 coasters has R2 = 29.4,.

a) What are the variables and units in this regression?

b) What units does the slope have?

c) Do you think the slope is positive or negative? Explain.

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