Unformatted text preview: b) Discuss with your classmates why ignoring the ﬁrst two data points may be justiﬁed
from a historical perspective.
(c) Find the least squares regression line for the last four data points and comment on the
goodness of ﬁt. Interpret the slope of the line of best ﬁt.
(d) Use the regression line to predict the annual US energy production in the year 2010.
(e) Use the regression line to predict when the annual US energy production will reach 100
2. The chart below contains a portion of the fuel consumption information for a 2002 Toyota
Echo I (Jeﬀ) used to own. The ﬁrst row is the cumulative number of gallons of gasoline that
I had used and the second row is the odometer reading when I reﬁlled the gas tank. So, for
example, the fourth entry is the point (28.25, 1051) which says that I had used a total of
28.25 gallons of gasoline when the odometer read 1051 miles.
(Miles) 0 9.26 19.03 28.25 36.45 44.64 53.57 62.62 71.93 81.69 90.43 41 356 731 10...
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