need help with #2 b (1-3), 3,4,5

A four period moving average w prodact annual sales of its popular Hand & Foot Cream al sales (000 bottles) 2. National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: Month Feb. Jun. 4. An clectrical contractor's records during the last five weeks indicate the number of job requests Pedict the number of requests for week 6 using each of these methods 5. comics manufacturer's marketing department has developed a linear trend equation that can be cxponential smoothing with = .30; use 20 for week 2 forecast Pannual sales for year 6 using the equation. al sales increasing or decreasing? By how much? Sales (000 units) 19 Mar. 18 15 Apr. May 20 18 Jul. 22 20 Aug 1 20 Plot the monthly data on a sheet of graph paper. b. Forecast September sales volume using each of the following: (1) The naive approach (2) A five month moving average (3) A weighted average using .60 for August, 30 for July, and 10 for June (4) Exponential smoothing with a smoothing constant equal to 20, assuming a a March forecast of 19(000) (5) A linear trend equation c. Which method seems least appropriate? Why? (Hint: Refer to your plot from part a.) 4. What does use of the term sales rather than demand presume? 1. A dry cleaner uses exponential smoothing to forecast equipment usage at its main plant. August usage was forecasted to be 88 percent of capacity: actual usage was 89.6 percent of capacity. A smoothing constant of .1 is used. 2. Prepare a forecast for September Assuming actual September usage of 92 percent, prepare a forecast for October usage. he and on- arter 5 4 iolates. 3 Week 2 22 21 18 22 Naive + 151