A can filling process at a beverage manufacturing factory is assumed to be in control with limits of 89 +4 had sample averages for the x-bar chart of the following: 87.1,87,87.2,89,90, 88.5,89.5, and 88. Which of the following statement below are correct?
a. Not enough information to determine
O b. Process mean is NOT out-of-control
Oc. None is correct
O d. Process mean is out-of-control

Precision dyes is analyzing two machines to determine which one it should purchase. the company requires a rate of return of 15 percent and uses straight-line depreciation to a zero book value over the life of its equipment. ignore bonus depreciation. machine a has a cost of $462,000, annual aftertax cash outflows of $46,200, and a four-year life. machine b costs $898,000, has annual aftertax cash outflows of $16,500, and has a seven-year life. whichever machine is purchased will be replaced at the end of its useful life. which machine should the company purchase and how much less is that machine's eac as compared to the other machine's

You are a manager at asda. you have been given the demand data for the past 10 weeks for swim rings for children. you decide to run multiple types of forecasting methods on the data to see which gives you the best forecast. if you were to use exponential smoothing with alpha =.8, what would be your forecast for week 22? (the forecast for week 21 was 1277.) week demand 12 1317 13 1307 14 1261 15 1258 16 1267 17 1256 18 1268 19 1277 20 1277 21 1297

Heyak believed that the economy could be hard to measure because