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6. (10 points) A set of data are modeled using the following regression equation: ŷ = Bo +2121 The statistician is consi
Posted: Mon Sep 06, 2021 7:12 am
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- 6 10 Points A Set Of Data Are Modeled Using The Following Regression Equation Y Bo 2121 The Statistician Is Consi 1 (65.15 KiB) Viewed 90 times
6. (10 points) A set of data are modeled using the following regression equation: ŷ = Bo +2121 The statistician is considering adding a new variable 22 to the model. (a) (5 points) How does the value of Ŝi (estimated coefficient for x1) change if 21 and 22 are orthogonal? Explain your answer. (b) (5 points) How does the value of @1 change if 11 and 12 have a correlation coefficient (r) close to 1? Explain your answer.