### Least-squares regression line and interpret

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##### Reference no: EM13977510

The following data represent 5 boat sales and = boat trailer sales from 1995 through 2000. Source: Bureau of the Census, Statistical Abstract of the United States 1999, p. 269 and Statistical Abstract 2002, p. 755.

 Year Boat Sales (Thousands) Boat  Trailer Sales (Thousands) 1995 649 207 1996 619 194 1997 596 181 1998 576 174 1999 585 168 2000 574 159

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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