Applying the t test given in (11.5.7), we obtain

For 8 df this t value is not significant even at the 10% level of significance; the p value is 0.17. Thus, there is no evidence of a systematic relationship between the explanatory variable and the absolute values of the residuals, which might suggest that there is no heteroscedasticity.

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Rules Of The Rich And Wealthy

Rules Of The Rich And Wealthy

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