(d) With the larger machine, the raw material productivity is _______ chemical tanks per gallon of solvent, and their labor productivity is ______ chemical tanks per labor hour. (e) The percentage change in material productivity is _____ %, while the percentage change in labor productivity is ________ %.
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I need help with this practice problem
A firm cleans chemical tank cars in the Bay St. Louis area. With standard equipment, the firm typically cleaned 85 chemical tank cars per month. They utilized 15 gallons of solvent, and two employees worked 20 days per month, 8 hours a day. The company decided to switch to a larger cleaning machine. Last April, they cleaned 55 tank cars, and only worked 15 days of the month. They utilized 13 gallons of solvent, and the two employees worked 6 hours a day.
*type in only the values & indicate negative values by a "-" sign
*round all values to 3 decimals, unless indicated otherwise
(d) With the larger machine, the raw material productivity is _______ chemical tanks per gallon of solvent, and their labor productivity is ______ chemical tanks per labor hour.
(e) The percentage change in material productivity is _____ %, while the percentage change in labor productivity is ________ %.
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- A computer repair shop had received a number of complaints on the length of time it took to make repairs. The manager responded by increasing the repair staff by 10 percent. Complaints on repair time quickly decreased, but then complaints on the cost of repairs suddenly increased. Oddly enough, when repair costs were analyzed, the manager found that the average cost of repair had actually decreased relative to what it was before the increase in staff. What are some possible explanations for the complaints, and what actions might the manager contemplate?2. A firm cleans chemical tank cars in the Bay St. Louis area. With standard equipment, the firm typically cleaned 70 chemical tank cars per month. They utilized 10 gallons of solvent, and two employees worked 20 days per month, 8 hours a day. The company decided to switch to a larger cleaning machine. Last April, they cleaned 60 tank cars in only 15 days. They utilized 12 gallons of solvent, and the two employees worked 6 hours a day. (a) What was their raw material and their labor productivity with the standard equipment? (b) What is their raw material and their labor productivity with the larger machine? (c) What is the change in each productivity measure?(a) A computer repair shop had received a number of complaints on the length of time it took to make repairs. The manager responded by increasing the repair staff by 10 percent. Complaints on repair time quickly decreased, but then complaints about the cost of repairs suddenly increased. Oddly enough, when repair costs were analyzed, the manager found that the average cost of repair had actually decreased relative to what it was before the increase in staff. What are some possible explanations for the complaints, and what actions might the manager contemplate? (b) How do you relate inspection, cost, and quality? (c) An automatic filling machine is used to fill 2-liter bottles of cola. The machine’s output is approximately normal with a mean of 2.0 liter and a standard deviation of 0.024 liters. The output is monitored using the mean of samples of 36 observations.i. Determine upper and lower control limits that will include roughly 95 percent of the sample means when the process is in…
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