HW assist with understanding

Use the following data to answer Questions 28.

Past period	Demand
June	45
July	55
Aug.	57
Sept.	48
Oct.	50

28. Compute an exponential smoothing forecast for November. Assume forecast for September is 46.5, and use a smoothing constant equal to 0.6.

1. Copper Ridge Carpet is a manufacturer of commercial carpets.Products are packaged in 100-yard rolls.Quality control team opens five rolls every day to check problems like inconsistency in pattern or color, stains, and other potential defects. These problems are counted and reported as number of problems found per roll. The following table shows number of problems found in one day:

Sample	# of problems
1	11
2	2
3	4
4	3
5	1

What you can say about the process?

1. This process is not in statistical control because upper control limit is smaller than 11
2. This process is in statistical control and lower control limit is larger than 0.002
3. This process is not in statistical control and upper control limit is greater than 6
4. This process is in statistical control and upper control limit is greater than 7