=+48. Home Depot sales. The home retail industry experienced relatively consistent annual growth until the economic crisis of 2006. Here is a scatterplot of the Net Sales ($B) of The Home Depot from 1995 through 2004, along with a regression and a time series plot of the residuals.

20 16 12 8

4 1995.0 1997.5 2000.0 2002.5 Date HD Sales ($B)

Dependent variable is: HDSales R-squared = 95.5%

s = 1.044 with 40 - 2 = 38 degrees of freedom Variable Coeff SE(Coeff) t-ratio P-value Constant -3234.87 114.4 -28.3 60.0001 Date 1.62283 0.0572 28.4 60.0001 1.25 0.00

–1.25 1995.0 1997.5 2000.0 2002.5 Date Residuals