Question: 27. a. Using the sales data in problem 26, develop a regression equation to express the number of units of roofing that you would expect
27.
a. Using the sales data in problem 26, develop a regression equation to express the number of units of roofing that you would expect to sell as a function of the num- ber of units of lumber sold the month before.
b. Forecast the expected roofing sales for the month following a month in which 125 units of framing lumber were sold.
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