Breusch-Pagan / Cook-Weisberg test for heteroskedasticity Ho: Constant variance Variables: fitted values of price chi2 (1) Prob > chi2 O d. = The parameter estimates are biased. = Oa We have homoskedasticity Ob The OLS standard errors are incorrect. Owe fail to reject the null hypothesis so we have heteroskedasticity. 20.55 0.0000

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