antain viruses. Unless you need to edit, its safer to stay in Protected View in Duntested View Enable Editing Question 6. Your organization is consider mg the purchase of a computer-controlled lathe for its ufacturing facility. The issue of maintenance cost has come up and you have been tasked with forecasting the maintenance cost of the machine based on hours used. The following data were collected from the vendor that shows weekly usage verses annual maintenance costs. Develop a regression model, using Excel (either data analysis or the formulas 3-8, 3-9 & 3-11) displaying the generated regression formula, r-value and the forecast cost if weekly usage is 10 hours/week Weekly Usage (hours) 13 10 20 Annual Maintenance Costs ($00) 17.0 2220 30.0 17 47.0 30.5 32.5 39.0 51.5 400 31 40 38 often a $OBN