24. Each of the processes listed is non-centered with respect to the specifications for that process. Compute the appropriate capability index for each, and decide if the process is capable. Process Mean Standard Deviation Lower Spec Upper Spec H 15.0 0.32 14.1 16.0 K 33.0 1.00 30.0 36.5 18.5 0.40 16.5 20.1 25. An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis. The company has set an acceptable range of repair time of 50 minutes to 90 minutes. Two firms have submitted bids for the work. In test trials, one firm had a mean repair time of 74 minutes with a standard deviation of 4.0 minutes and the other firm had a mean repair time of 72 minutes with a standard deviation of 5.1 minutes. Which firm would you choose? Why?
24. Each of the processes listed is non-centered with respect to the specifications for that process. Compute the appropriate capability index for each, and decide if the process is capable. Process Mean Standard Deviation Lower Spec Upper Spec H 15.0 0.32 14.1 16.0 K 33.0 1.00 30.0 36.5 18.5 0.40 16.5 20.1 25. An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis. The company has set an acceptable range of repair time of 50 minutes to 90 minutes. Two firms have submitted bids for the work. In test trials, one firm had a mean repair time of 74 minutes with a standard deviation of 4.0 minutes and the other firm had a mean repair time of 72 minutes with a standard deviation of 5.1 minutes. Which firm would you choose? Why?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:24. Each of the processes listed is non-centered with respect to the specifications for that process.
Compute the appropri ate capability index for each, and decide if the process is capable.
Process
Mean
Standard Deviation
Lower Spec
Upper Spec
H
15.0
0.32
14.1
16.0
K
33.0
1.00
30.0
36.5
18.5
0.40
16.5
20.1
25. An appliance manufacturer wants to contract with a repair shop to handle authorized repairs
in Indianapolis. The company has set an acceptable range of repair time of 50 minutes to
90 minutes. Two firms have submitted bids for the work. In test trials, one firm had a mean
repair time of 74 minutes with a standard deviation of 4.0 minutes and the other firm had a
mean repair time of 72 minutes with a standard deviation of 5.1 minutes. Which firm would
you choose? Why?
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