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15 Aug 2022, 09:30
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Alpha Motor Company has been trying to get cars built faster at its factories in North America. Recently the company did a trial run of a new assembly process for some of the cars produced at its largest factory. The company found that cars produced using the new process were completed with a 10 percent reduction in build time compared to cars built previously that used the standard assembly process. The company has concluded that the new process did produce a time savings.
Which of the following, if true, casts the most doubt on the company's conclusion?
(A) In the project that led to the design of the new assembly process, production managers were targeting a decrease in production build time of 25 percent.
(B) Analysis of the trial run of the new assembly process found that the entire time savings could be attributed to the assembled cars requiring fewer quality control modifications after the initial assembly.
(C) While the trial was being conducted, production times at the factory for the same cars, produced without benefit of the new process, also showed a 10 percent reduction.
(D) Although many managers at Alpha Motor Company believe that the company's cars need to be redesigned, the new assembly process does not change the look of the finished car.
(E) Since the new assembly process simply changes the way in which the stages of production are organized and ordered, the cost of materials is the same for both processes.
Which of the following, if true, casts the most doubt on the company's conclusion?
(A) In the project that led to the design of the new assembly process, production managers were targeting a decrease in production build time of 25 percent.
(B) Analysis of the trial run of the new assembly process found that the entire time savings could be attributed to the assembled cars requiring fewer quality control modifications after the initial assembly.
(C) While the trial was being conducted, production times at the factory for the same cars, produced without benefit of the new process, also showed a 10 percent reduction.
(D) Although many managers at Alpha Motor Company believe that the company's cars need to be redesigned, the new assembly process does not change the look of the finished car.
(E) Since the new assembly process simply changes the way in which the stages of production are organized and ordered, the cost of materials is the same for both processes.
16 Aug 2022, 09:29
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A - what they were targeting is irrelevant to the analysis of the conclusion, thus we can get rid of this.
B - Though it might be a bad thing there are fewer quality control checks, the new process still produced time savings, affirming the conclusion. We can get ride of this.
C - Correct, notes that other manufacturing lines within the plant also reduced time by 10%, indicating that a secondary force could have caused the 10% decrease in the new-process line.
D - The need to be redesigned is irrelevant. We can get rid of this.
E - The cost irrelevant to the conclusion. We can get rid of this.
B - Though it might be a bad thing there are fewer quality control checks, the new process still produced time savings, affirming the conclusion. We can get ride of this.
C - Correct, notes that other manufacturing lines within the plant also reduced time by 10%, indicating that a secondary force could have caused the 10% decrease in the new-process line.
D - The need to be redesigned is irrelevant. We can get rid of this.
E - The cost irrelevant to the conclusion. We can get rid of this.
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