Find the least squares trend equation

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Reference no: EM13156555

The amounts spent in vending machines in the United States, in billions of dollars, for the years 1999 through 2003 are given below. Determine the least squares trend equation.

Year      Code X     Vending Machine Sales ($ billions) Y
1999           1                          17.5
2000           2                          19.0
2001           3                          21.0
2002           4                          22.7
2003           5                          24.0

By using regression analysis.

Reference no: EM13156555

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