MV_final f07_answers - Applied Multivariate Analysis I...

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Final Problem Set Directions: This exam is open book and open notes, open internet, open library, etc. It is not open for discussion with anyone else except me. Please present your answers neatly and clearly. The points for each problem are provided in parentheses after each question. 1. Data were obtained on two groups and are presented in the table below. Y is the dependent variable and x1 and x2 are independent variables. Use this data set to answer the following questions. Group 1 Group 2 Y X1 X2 Y X1 X2 3 5 4 3 4 5 6 7 9 25 16 9 14 22 36 49 12 28 22 12 19 32 40 56 5 8 7 9 10 8 9 5 25 64 49 81 100 64 80 25 31 72 59 88 102 72 91 30 (A) Provide a context from your field of study for this data set. (B) Write a regression model for analyzing the data so that you can test if the regression models are the same for the two groups. Write down the appropriate matrices and vectors for the analysis. Write the necessary hypothesis/hypotheses to test if the regression models are the same for the two groups. y 2 G 1 + e
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MV_final f07_answers - Applied Multivariate Analysis I...

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