Show transcribed image text 28. The quarterly production of pine lumber, in millions of board feet, by Northwest Lumber for 2010 through 2014 is: FILE, please visit he.com/lind16e Quarter Year Winter Spring Summer Fall 10.2 11.6 9.7 12.4 13.6 4.7 17.5 15.3 16.8 17.1 9.3 9.3 10.1 10.7 10.3 7.8 6.9 2010 2011 2012 8.9 2013 10.7 2014 9.2 a. Determine the typical seasonal pattern for the production data using the ratio-to- moving-average method. b. Interpret the pattern. c. Deseasonalize the data and determine the linear trend equation. d. Project the seasonally adjusted production for the four quarters of 2015.
28. The quarterly production of pine lumber, in millions of board feet, by Northwest Lumber for 2010 through 2014 is: FILE, please visit he.com/lind16e Quarter Year Winter Spring Summer Fall 10.2 11.6 9.7 12.4 13.6 4.7 17.5 15.3 16.8 17.1 9.3 9.3 10.1 10.7 10.3 7.8 6.9 2010 2011 2012 8.9 2013 10.7 2014 9.2 a. Determine the typical seasonal pattern for the production data using the ratio-to- moving-average method. b. Interpret the pattern. c. Deseasonalize the data and determine the linear trend equation. d. Project the seasonally adjusted production for the four quarters of 2015.
