On election day, the polls in a certain state open at 8:00 A.M. Every 2 hours after
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On election day, the polls in a certain state open at 8:00 A.M. Every 2 hours after that, an election official determines what percentage of the registered voters have already cast their ballots. The data through 6:00 P.M. are shown here:
a. Plot these data on a graph.
b. Find the equation of the least-squares line. (Let x denote the number of hours after 8:00 A.M.)
c. Use the least-squares line to predict what percentage of the registered voters will have cast their ballots by the time the polls close at 8:00 P.M.
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Related Book For
Calculus For Business, Economics And The Social And Life Sciences
ISBN: 9780073532387
11th Brief Edition
Authors: Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price
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