=+. Wal-Mart revenue. Here’s a regression of monthly revenue of Wal-Mart Corp, relating that revenue to the Total U.S. Retail Sales, the Personal Consumption Index, and the Consumer Price Index.

Dependent variable is: Wal-Mart_Revenue R squared = 66.7% R squared (adjusted) = 63.8%

s = 2.327 with 39 - 4 = 35 degrees of freedom Source Sum of Squares df Mean Square F-ratio Regression 378.749 3 126.250 23.3 Residual 189.474 35 5.41354 Variable Coeff SE(Coeff) t-ratio P-value Intercept 87.0089 33.60 2.59 0.0139 Retail Sales 0.000103 0.000015 6.67 60.0001 Persnl Consmp 0.00001108 0.000004 2.52 0.0165 CPI -0.344795 0.1203 -2.87 0.0070

–2.5 0.0 2.5 Residuals Nscores

–1.25 0.00 1.25