Sample 1 12.1 0.7 2 11.8 0.4 3 12.3 0.6 4 11.5 0.4 5 11.6 0.9
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...
Related questions
Question
The Awake Coffee Company produces gourmet instant
coff ee. Th e company wants to be sure that the average fi ll of coff ee
containers is 12.0 ounces. To make sure the process is in control,
a worker periodically selects at random a box of six containers of
coff ee and measures their weight. When the process is in control,
the range of the weight of coff ee samples averages 0.6 ounces.
(a) Develop an R-chart and an x-chart for this process.
(b) Th e measurements of weight from the last five samples
taken of the six containers follow
Is the process in control? Explain your answer.
Transcribed Image Text:Sample
1
12.1
0.7
2
11.8
0.4
3
12.3
0.6
4
11.5
0.4
5
11.6
0.9
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