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Question 3: The SCO Company serves lunch in a local school. In January, a survey was conducted by distributing a simple questionnaire to 1000 students in the school every day for 10-day, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The numbers of unsatisfactory meals in the survey were: 74, 42, 64, 80, 40, 50, 65, 70, 40, and 75 in the 10 days, respectively. a) Construct the appropriate quality control chart(s). b) In April, another 3-day survey was conducted, and the numbers of unsatisfactory meals were 100, 80, 130, respectively. Is the process of serving lunch overall in control in April?

Question 3: The SCO Company serves lunch in a local school. In January, a survey was conducted by distributing a simple questionnaire to 1000 students in the school every day for 10-day, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The numbers of unsatisfactory meals in the survey were: 74, 42, 64, 80, 40, 50, 65, 70, 40, and 75 in the 10 days, respectively. a) Construct the appropriate quality control chart(s). b) In April, another 3-day survey was conducted, and the numbers of unsatisfactory meals were 100, 80, 130, respectively. Is the process of serving lunch overall in control in April?

Practical Management Science
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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Question 3: The SCO Company serves lunch in a local school. In January, a survey was conducted by distributing a simple questionnaire to 1000 students in the school every day for 10-day, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The numbers of unsatisfactory meals in the survey were: 74, 42, 64, 80, 40, 50, 65, 70, 40, and 75 in the 10 days, respectively. a) b) Construct the appropriate quality control chart(s). In April, another 3-day survey was conducted, and the numbers of unsatisfactory meals were 100, 80, 130, respectively. Is the process of serving lunch overall in control in April?
Transcribed Image Text:Question 3: The SCO Company serves lunch in a local school. In January, a survey was conducted by distributing a simple questionnaire to 1000 students in the school every day for 10-day, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The numbers of unsatisfactory meals in the survey were: 74, 42, 64, 80, 40, 50, 65, 70, 40, and 75 in the 10 days, respectively. a) b) Construct the appropriate quality control chart(s). In April, another 3-day survey was conducted, and the numbers of unsatisfactory meals were 100, 80, 130, respectively. Is the process of serving lunch overall in control in April?
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