JV PS4 Q2

# JV PS4 Q2 - use "D:\Temporary Internet

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u . regress course_eval beauty female, robust . Linear regression Number of obs = 463 F( 2, 460) = 18.22 Prob > F = 0.0000 R-squared = 0.0663 Root MSE = .53732 ------------------------------------------------------------------------------ | Robust course_eval | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- beauty | .1485876 .0321911 4.62 0.000 .0853278 .2118475 female | -.1978096 .0502136 -3.94 0.000 -.2964862 -.099133 _cons | 4.081583 .0325602 125.36 0.000 4.017598 4.145568 ------------------------------------------------------------------------------ - . test beauty female . ( 1) beauty = 0 ( 2) female = 0 F( 2, 460) = 18.22 Prob > F = 0.0000 . regress course_eval beauty female minority age, robust . Linear regression Number of obs = 463 F( 4, 458) = 9.61 Prob > F = 0.0000 R-squared = 0.0726 Root MSE = .53668 ------------------------------------------------------------------------------ | Robust course_eval | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- beauty | .139902 .0313977 4.46 0.000 .0782005 .2016035 female | -.2037348 .0536687 -3.80 0.000 -.3092022 -.0982674 minority | -.1087205 .0802401 -1.35 0.176 -.2664049 .0489638 age | -.0028971 .0026508 -1.09 0.275 -.0081063 .0023121 _cons | 4.239225 .1387306 30.56 0.000 3.966597 4.511852 ------------------------------------------------------------------------------ - . test beauty female minority age . ( 1) beauty = 0 ( 2) female = 0 ( 3) minority = 0 ( 4) age = 0 F( 4, 458) = 9.61 Prob > F = 0.0000 . test minority age . ( 1)

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## This note was uploaded on 02/24/2010 for the course ENG W2018 taught by Professor Niccolas during the Spring '10 term at Columbia.

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JV PS4 Q2 - use "D:\Temporary Internet

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