In the analysis of regression residuals what is an early indication that heteroscedasticity is present. Question 11
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Question:
In the analysis of regression residuals what is an early indication that heteroscedasticity is present.
Question 11 options:
1)
Megaphone effect in the residual time series plot.
2)
Spikes in the ACF early lag periods
3)
Alternating residuals signs or positive and then negative sign runs in the residual signs
4)
High residual values
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