Last ride Consider the roller coasters described inExercise 26 again. The regression analysis gives themodel Duration = 64.232 + 0.180 Drop.a) Explain what the slope of the line says about howlong a roller coaster ride may last and the height of thecoaster.b) A new roller coaster advertises an initial drop of200 feet. How long would you predict the rides last?c) Another coaster with a 150-foot initial drop advertisesa 2-minute ride. Is this longer or shorter than you’dexpect? By how much? What’s that called?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Last ride Consider the roller coasters described in
Exercise 26 again. The regression analysis gives the
model Duration = 64.232 + 0.180 Drop.
a) Explain what the slope of the line says about how
long a roller coaster ride may last and the height of the
coaster.
b) A new roller coaster advertises an initial drop of
200 feet. How long would you predict the rides last?
c) Another coaster with a 150-foot initial drop advertises
a 2-minute ride. Is this longer or shorter than you’d
expect? By how much? What’s that called?

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