Using Microsoft Excel, create a correlation analysis of Wal-Mart's annual net income over the past 10 years compared with Sears's annual net income over the past 10 years and interpret the results.

Do both companies' net incomes fall during a recession?

Using Microsoft Excel, create a multiple regression equation that explains Wal-Mart's annual net income and interpret the results.

Using Microsoft Excel, create a multiple regression equation that explains Sears's annual net income and interpret the results.