Unformatted text preview: greater or equal to 3.7 drop var1 Drops var1 from the dataset Keep if sex==1 Dropa all observations with sex=0 regress gpa highhsgpa sex race Regresses gpa on highhsgpa sex and race test highhsgpa sex race Computes the Fstatistic for the test that the three coefficients are equal to 0 (or jointly insignificant) test sex =  race Computes the Fstatistic for the test that the coefficient are equal to each other but have opposite sign predict uhat, resid scatter uhat highhsgpa Plots the residuals against the highhsgpa variable histogram uhat, normal Draw a histogram for residuals and a standard normal density function gen uhatsq=uhat*uhat Creates a series of squared residuals scatter uhatsq highhsgpa Plots the squared residuals (or their variance) against the highhsgpa variable imtest, white Performs White test for heteroskedasticity...
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 Spring '11
 silous
 Econometrics, Normal Distribution, Variance, Descriptive statistics, male students

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