1. An acceptable tracking signal target for Donna’s business is +/- 2.5. The for
ID: 3148631 • Letter: 1
Question
1. An acceptable tracking signal target for Donna’s business is +/- 2.5. The forecast for five months is constant at 650 and each for these six months deviations (differences) compared to the forecast are -40, +80, +90, -30, +80 and +40. Determine which of the months are compliant which the target. Make sure to show all calculations.
2. Identify some productivity challenges a service-oriented organization faces compared to a traditional manufacturing firm. Use Kennesaw State University and a poultry processing plant or a textbook manufacturer to illustrate the challenges.
3. Chuck Smith owns a custom organic tortilla manufacturing plant which has experienced an increase in demand of 35%. As a result, Chuck has not been able to keep up with customer demand. An employee makes a suggestion to change the way tortillas are placed in the baking oven. Currently the plant makes and sells 16,000 tortillas per month and labor productivity is 22.56 tortillas per labor hour and each employee works 160 hours per month. How many employees will Chuck need to add so that he can cover the increase in demand?
4. Create a Pareto Chart to identify problems with a local cable provider. Did not pick-up calls in a timely fashion 6, No answer 15, Dropped calls 27, Internet not working 44, Rude employees 15, Incorrect billing 22, Television programming freezing up 7.
5. A bag for the space program has a thickness requirement of 3.0 mm +/- 1.0 mm. The standard deviation has been shown to be .02 mm. What are the upper and lower specifications limits for this product? Historically, the process mean for the bag has been 3.0 mm. What is the Cpk for this process? Also, what percentages of the bags will meet specifications?
Explanation / Answer
Target tracking signal = +/- 2.5
MAD
(average of absolute error over years)
Tracking signal
=RSME/MAD
All except the last 2 months are in range
Months Forecast Forecast error Running sum of forecast error (cumulative Forecast error) Absolute errorMAD
(average of absolute error over years)
Tracking signal
=RSME/MAD
1 -40 -40 40 40 -1 2 650 80 40 80 (40+80)/2 =60 0.67 3 650 90 130 90 (40+80+90)/3 =70 1.86 4 650 -30 100 30 (40+80+90+30)/4= 80 1.25 5 650 80 180 80 (40+80+90+30+80)/5=64 2.8125 6 650 40 220 40 (40+80+90+30+80+40)/6 =60 3.6667Related Questions
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