A) B)
-The graphs above are time series plots of residuals from two separate regressions. Which of these combinations is true?
A) A shows negative autocorrelation and B shows positive autocorrelation
B) A shows positive autocorrelation and B shows negative autocorrelation
C) A shows heteroscasticity and B shows homoscedasticity
D) A shows homoscedasticity and B shows heteroscasticity

Question

A) B) 
-The graphs above are time series plots of residuals from two separate regressions. Which of these combinations is true?
A) A shows negative autocorrelation and B shows positive autocorrelation 
B) A shows positive autocorrelation and B shows negative autocorrelation 
C) A shows heteroscasticity and B shows homoscedasticity 
D) A shows homoscedasticity and B shows heteroscasticity

Quizplus · Accepted Answer

A shows negative autocorrelation because the residuals are alternating between positive and negative values. B shows positive autocorrelation because the residuals are mostly positive or mostly negative.

A) B) -The Graphs Above Are Time Series Plots of Residuals from of Residuals