Math Solutions

(Steps Shown) Roller coaster. People who responded to a July 2004 Discovery Channel poll named the 10 best roller coasters in the United States. A table in

Question: Roller coaster. People who responded to a July 2004 Discovery Channel poll named the 10 best roller coasters in the United States. A table in the last chapter's exercises shows the length of the initial drop (in feet) and the duration of the ride (in seconds). A regression to predict Duration from Drop has \(R^{2}=12.4 \%\).

  1. What are the variables and units in this regression?
  2. What units does the slope have?
  3. Do you think the slope is positive or negative? Explain.

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