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In a regression of sales on income and seasonal dummy variables for a quarterly time series, a negative sign of the quarter 3 dummy variable
In a regression of sales on income and seasonal dummy variables for a quarterly time series, a negative sign of the quarter 3 dummy variable means:
multi choice
sales for quarter three are negative.
None of the options are correct.
sales for quarter three are above average.
sales for quarter three are below that of the base quarter.
sales for quarter three are below average.
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