I Autocorrelation Often Happens When Data Has Been Collected Over

question 22

Multiple Choice

i. Autocorrelation often happens when data has been collected over periods of time. ii. Homoscedasticity occurs when the variance of the residuals (Y - Y') is different for different values of Y'.
iii. Violating the need for successive observations of the dependent variable to be uncorrelated is called autocorrelation.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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