The table shows the approximate U.S. population size (in millions) at 10-year intervals beginning in 1900. Let
Question:
= 81.14 Ã 1.1339x.
a. Show that the predicted population sizes are 81.14 million in 1900 and 323.3 million in 2010.
b. Explain how to interpret the value 1.1339 in the prediction equation.
c. The correlation equals 0.98 between the log of the population size and the year number. What does this suggest about whether or not the exponential regression model is appropriate for these data?
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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