RJ produces chocolate balls. There are five samples, and each sample contains 4 packs of chocolate balls that were randomly selected and weighed. The following is the sample data: Weight (lb)Sample 1Sample 2Sample 3Sample 4Sample 5Pack 10.9411.050.980.93Pack 21.150.931.130.930.8Pack 30.8811.070.91.12Pack 40.961.060.970.891.01 Suppose the standard deviation is unknown, and the X-bar chart is based on 3-sigma limits. Based on the sample data, what is LCL? a 0.920b 0.887c 0.816d 0.844

Answered: RJ produces chocolate balls. There are…

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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RJ produces chocolate balls. There are five samples, and each sample contains 4 packs of chocolate balls that were randomly selected and weighed. The following is the sample data:

Weight (lb)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
Pack 1	0.94	1	1.05	0.98	0.93
Pack 2	1.15	0.93	1.13	0.93	0.8
Pack 3	0.88	1	1.07	0.9	1.12
Pack 4	0.96	1.06	0.97	0.89	1.01

Suppose the standard deviation is unknown, and the X-bar chart is based on 3-sigma limits. Based on the sample data, what is LCL?

a		0.920
b		0.887
c		0.816
d		0.844

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