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Regression Analysis Notes

# Regression Analysis Notes - Regression Analysis Q versus P...

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Regression Analysis: Q versus P, M, Pai, PbMac The regression equation is

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Q = 1.18 - 0.213 P + 0.000091 M + 0.101 Pai + 0.0718 PbMac REGRESSION EQUATION; Checker’s Pizza Price, Independent Variable = Inverse Relationship to Sales “P” ↑= “C” ↓; “C” ↑ = “P” ↓. Westbury’s Income, Independent Variable, a one percent increase in income leads to an increase in quantity demanded of .00009 or about one pizza per month = Normal Good because “I” (income) is (+) with a Direct Relationship to Quantity and Price. Al’s Pizza, Independent Variable = Price of a Related Good “PR” Inverse Relationship To Substitute “P” ↑= “Q” ↓. McDonald’s Big Mac, Independent variable = Price of a Related Good “PR” Inverse Relationship To Substitute “P” ↑= “Q” ↓. Coefficient of Determination, Out of 100%, the data is 4.5% unexplained and only 95.5% of the four independent variables is explained = 100:(?) (-)/1. Predictor Coef SE Coef T P Constant 1.1838 0.5063 2.34 0.030
P REGRESSION EQUATION; Checker’s Pizza Price, Independent Variable = Inverse Relationship to Sales “P” ↑= “C” ↓; “C” ↑ = “P” ↓. Westbury’s Income, Independent Variable, a one percent increase in income leads to an increase in quantity demanded of .00009 or about one pizza per month = Normal Good because “I” (income) is (+) with a

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Regression Analysis Notes - Regression Analysis Q versus P...

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