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June 10th, 2010, 04:53 AM   #1
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Help with MCQ - Regression & Dummy Variable

Hi Guys,

Quote:
In the multiple regression models, researches can____________________ to account for seasonal or cyclical fluctuation of data.
A) Add dummy dummy variables into the models
B) remove seasonal or cyclical fluctuation of data before running the regression
C) deseasonalise data before running the regression
d) all of the above
I went with D - all of the above

Quote:
If a qualitative variable has 'c' categories, how many dummy variables must be created and used in the regression analysis
A) c-1
B) c
C) c + 1
D) c-2
hrm, no idea on this one.
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