In time series regressions, it is advisable to check for serial correlation first, before checking for heteroskedasticity.
Answer the following statement true (T) or false (F)
True
Rationale: FEEDBACK: Serial correlation invalidates heteroskedasticity tests. Hence, it is advisable to check for serial correlation first, before checking for heteroskedasticity in time series regressions.
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A) plus; deficit B) minus; deficit C) minus; surplus D) plus; surplus E) divided by; surplus
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A) shift right. B) shift left. C) remain the same. D) first shift right, then shift left.
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a. $3. b. $4. c. $24. d. -$4.