The information below is from the multiple regression analysis computer output for 28 teams in Major League Baseball. The model is designed to predict wins using attendance, payroll, batting average, home runs, stolen bases, errors, and team ERA. 
The t-value computed for testing the coefficient "Batg. Avg." is:
Definitions:
Demand Curves
A graphical representation showing the relationship between the price of a good or service and the quantity demanded for a given period.
Supply Curves
Graphical representations showing the relationship between the price of a good and the quantity of the good that suppliers are willing to offer for sale.
Market Equilibrium
A condition in which the supply of a good matches demand, leaving neither surplus nor shortage in the market.
Environmental Indicators
Measurements, statistical data, and analysis used to represent the health of the environment, guide public policy, and inform the public.
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