Using 50 observations, the following regression output is obtained from estimating y = 6g + 61x + 62d1 + 63dz + a.StandardCoefficients-0.752.86-13.60Error0.301.10t Stat-2.502.60P-value0.01600.0125Intercept16.00-0.850.3997d21.503.800.00045.70a. Computefor x= 265, d1, and d, = 0; computefor x 265, d1 = 0, and d, = 1. (Round your answers to 2 decimal places.)!!= 1 and d,265, d1265, d = 0 and d, = 1b-1. Interpret d, and d2. (You may select more than one answer. Single click the box with the question mark to produce a checkmark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes leftwith a question mark will be automatically graded as incorrect.)?When d = 1, ý is 13.60 units greater than when d1e, holding everything else constant.?When d2 = 1, ŷ is 5.70 units greater than when d2e, holding everything else constant.?When d = 1, ŷ is 13.60 units less than when d10, holding everything else constant.? When d21, ŷ is 5.70 units less when d2 = 0, holding everything else constant.%3D%3Db-2. Are both dummy variables individually significant at the 5% level?O No, only the dummy variable d2 is significant at 5% level.O Yes, both dummy variables are individually significant at the 5% level.O No, none of the dummy variables are individually significant at 5% level.O No, only the dummy variable d is significant at 5% level.

Solution: The estimated regression equation is y^= -0.75+2.86x-13.60d1+5.70d2

ng 50 observations, the following regression output is obtained from estimating y = 60 + 61x + 82d1 + 63d2 + E. Standard Coefficients -0.75 t Stat -2.50 P-value 0.0160 Error Intercept 0.30 2.86 1.10 2.60 0.0125 d1 d2 -13.60 16.00 -0.85 0.3997 5.70 1.50 3.80 0.0004 .Compute or x= 265, d 1, and d2 = 0; compute for x= 265, d, = 0, and d2 = 1. (Round your answers to 2 decimal places.) x = 265, di = 1 and d2 = 0 x = 265, d, = 0 and d, = 1 b-1. Interpret d, and d,. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes le with a question mark will be automatically graded as incorrect.) 2 When da =1, ŷ is 13.60 units greater than when di = 0, holding everything else constant. ? When d2 =1, ŷ is 5.70 units greater than when d2 - e, holding everything else constant. 7When da - 1, ŷ is 13.60 units less than when d 0, holding everything else constant. 7 When d2 - 1, ý is 5.70 units less when d2 - 0, holding everything else constant. b-2. Are both dummy variables individually significant at the 5% level?

ng 50 observations, the following regression output is obtained from estimating y = 60 + 61x + 82d1 + 63d2 + E. Standard Coefficients -0.75 t Stat -2.50 P-value 0.0160 Error Intercept 0.30 2.86 1.10 2.60 0.0125 d1 d2 -13.60 16.00 -0.85 0.3997 5.70 1.50 3.80 0.0004 .Compute or x= 265, d 1, and d2 = 0; compute for x= 265, d, = 0, and d2 = 1. (Round your answers to 2 decimal places.) x = 265, di = 1 and d2 = 0 x = 265, d, = 0 and d, = 1 b-1. Interpret d, and d,. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes le with a question mark will be automatically graded as incorrect.) 2 When da =1, ŷ is 13.60 units greater than when di = 0, holding everything else constant. ? When d2 =1, ŷ is 5.70 units greater than when d2 - e, holding everything else constant. 7When da - 1, ŷ is 13.60 units less than when d 0, holding everything else constant. 7 When d2 - 1, ý is 5.70 units less when d2 - 0, holding everything else constant. b-2. Are both dummy variables individually significant at the 5% level?

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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