9.p Consider the quarterly sales data for Worthington Health Club shown here (also available on worksheet C9P9 in the OM6 Data Workbook at OM6 Online): Quarter Year 1 2 3 4 Total Sales 1 4 2 1 5 12 2 6 4 4 14 28 3 10 3 5 16 34 4 12 9 7 22 50 5 18 10 13 35 76 a. Develop a four-period moving average model and compute MSE for your forecasts. b. Find a good value of a for a single exponential smoothing model and compare your results to part (a).

If canada has a surplus of paper products produced but its consumers demand more cleaning solutions, and the us has an abundance of cleaning solutions but consumers are demanding more paper products, how would trade benefit both countries? trade would assist both countries by creating excess demand. trade would assist both countries by strengthening their natural resources. trade would assist both countries to both reduce excess supply and satisfy market demand.