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The accompanying data file contains 20 observations on the response variable y along with the predictor variables x and d. Click here for the Excel Data File a. Estimate a regression model with the predictor variables x and d, and then extend it to also include the interaction variable xd. W is the estimated regression coefficient for the predictor variable x in both models? Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places. Model 1 (No Interaction) Model 2 (Interaction) b-1. Which is the preferred model for making predictions? since it has the b-2. Use the preferred model to predict y. Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places. Predictor Variables x-20, d, 1, d₂-0 x-20, d. 1, d2-1 Predicted y

The accompanying data file contains 20 observations on the response variable y along with the predictor variables x and d. Click here for the Excel Data File a. Estimate a regression model with the predictor variables x and d, and then extend it to also include the interaction variable xd. W is the estimated regression coefficient for the predictor variable x in both models? Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places. Model 1 (No Interaction) Model 2 (Interaction) b-1. Which is the preferred model for making predictions? since it has the b-2. Use the preferred model to predict y. Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places. Predictor Variables x-20, d, 1, d₂-0 x-20, d. 1, d2-1 Predicted y

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Exercise 8-5 Algo The accompanying data file contains 20 observations on the response variable y along with the predictor variables x and d. Click here for the Excel Data File a. Estimate a regression model with the predictor variables x and d, and then extend it to also include the interaction variable xd. What is the estimated regression coefficient for the predictor variable x in both models? Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places. Model 1 (No Interaction) Model 2 (Interaction) b-1. Which is the preferred model for making predictions? since it has the b-2. Use the preferred model to predict y. Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places. Predictor Variables x-20, d, 1, d2 0 Predicted y x-20, d, 1, d2 1 y X d1 d2 36 16 0 0 31 18 1 1 28 8 0 0 29 11 0 1 31 6 1 0 26 15 0 0 39 14 0 0 26 18 0 1 16 8 1 1 1 12 0 1 28 22 0 0 17 7 0 0 30 49 29 45 23 2 35 51 1266466 0 0 25 1 1 1 0 1 1 0 1 8 0 1 0 0 1 0
Transcribed Image Text:Exercise 8-5 Algo The accompanying data file contains 20 observations on the response variable y along with the predictor variables x and d. Click here for the Excel Data File a. Estimate a regression model with the predictor variables x and d, and then extend it to also include the interaction variable xd. What is the estimated regression coefficient for the predictor variable x in both models? Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places. Model 1 (No Interaction) Model 2 (Interaction) b-1. Which is the preferred model for making predictions? since it has the b-2. Use the preferred model to predict y. Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places. Predictor Variables x-20, d, 1, d2 0 Predicted y x-20, d, 1, d2 1 y X d1 d2 36 16 0 0 31 18 1 1 28 8 0 0 29 11 0 1 31 6 1 0 26 15 0 0 39 14 0 0 26 18 0 1 16 8 1 1 1 12 0 1 28 22 0 0 17 7 0 0 30 49 29 45 23 2 35 51 1266466 0 0 25 1 1 1 0 1 1 0 1 8 0 1 0 0 1 0
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