Suppose you had a weekly time series for a business open Monday through Friday each week. That is, the dates in your series would look like the following: Week 1 07 O 12 1 1 1 1 2 2 (etc.) Day Monday Tuesday Wednesday Thursday Friday Monday Tuesday (etc.) 2 points Save Answer You wish to create a multiple regression forecasting model that would account for this type of seasonal pattern. How many dummy (or indicator) variables would you need to model the seasonality of all periods? Hint: You don't have to know the number of observations in the data set. 05