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2. The following regression model is being considered in a market research study: K3 = :80 +61X1i+182X2i+63X12i+ei371= 1,2,. . . In State the reduced models,

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2. The following regression model is being considered in a market research study: K3 = :80 +61X1i+182X2i+63X12i+ei371= 1,2,. . . \"In State the reduced models, relevant extra sum of squares, and F-statistics for testing whether: (a) 181 = 183 = 0. [10] (b) 53 = 5 [10] (0) 51 = 132 [10]

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