The following data represnt x = boat sales and y = boat trailer sales from 1995-2000.
Year
1995
1996
1997
1998
1999
2000
Boat Sales
649
619
596
576
585
574
Boat Trailer Sales
207
194
181
174
168
159
a. Determine the least squares regression line and interpret its slope.
b. Estimate, for a year during which 500,000 boats are sold, the number of boat trailers that would be sold.
c. What reasons might explain why the number of boat trailers sold per year is less than the number of boats sold per year?
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a. .3
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