Problem 3-2
national scan, inc., sells radio frequency inventory tags. monthly sales for a seven-month period were as follows:

month sales
(000)units
feb. 19
mar. 19
apr. 12
may. 22
jun. 18
jul. 24
aug. 22

b. forecast september sales volume using each of the following:

(1)
a linear trend equation.(round your intermediate calculations and final answer to 2 decimal places.)

yt
thousands

(2)
a five-month moving average. (round your answer to 2 decimal places.)

moving average
19.6
thousands

(3)
exponential smoothing with a smoothing constant equal to .30, assuming a march forecast of 17(000). (round your intermediate forecast values and final answer to 2 decimal places)

forecast
thousands

(4) the naive approach.

naive approach
thousands

(5)
a weighted average using .60 for august, .10 for july, and .30 for june. (round your answer to 2 decimal places.)

weighted average
thousands

Roi analysis using dupont model. charlie? s furniture store has been in business for several years. the firm? s owners have described the store as a ? high-price, highservice? operation that provides lots of assistance to its customers. margin has averaged a relatively high 32% per year for several years, but turnover has been a relatively low 0.4 based on average total assets of $800,000. a discount furniture store is about to open in the area served by charlie? s, and management is considering lowering prices in order to compete effectively. required: a. calculate current sales and roi for charlie? s furniture store. b. assuming that the new strategy would reduce margin to 20%, and assuming that average total assets would stay the same, calculate the sales that would be required to have the same roi as they currently earned. c. suppose that you presented the results of your analysis in parts a and b of this problem to charlie, and he replied, ? what

One of your new suppliers, kim, has been hearing rumors about your firm’s lack of capability to deliver high quality products and writes an email asking you to address the claims being made. in replying to her, you want to be sure that you are very clear and leave no room for misinterpretation. which of the following aspects of effective communication should you give the most attention? (a) making sure you understand kim’s areas of expertise. (b) supporting your reply with relevant data and facts. (c) establishing your credibility as an expert. (d) paying attention to implied communications.

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money. msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach