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Coasters again.

Given Exercise examined the association between the Duration of a roller coaster ride and the height of its initial Drop, reporting that Write a sentence (in context, of course) summarizing what the R2 says about this regression

Exercise:
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 R2 = 12.4%.

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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Statistics and Probability, Statistics

Category:- Statistics and Probability
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