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"The table below is data on telephone usage time by operators to serve customer requests that will be used to explain the use of Xbar and R-chart". Question: a. Create UCL and LCL with Limit Control Factor A2 b. Create UCL and LCL with Limit Control Factor D3 and D4

"The table below is data on telephone usage time by operators to serve customer requests that will be used to explain the use of Xbar and R-chart". Question: a. Create UCL and LCL with Limit Control Factor A2 b. Create UCL and LCL with Limit Control Factor D3 and D4

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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"The table below is data on telephone usage time by operators to serve customer requests that will be used to explain the use of Xbar and R-chart".

 

Question: 
a.    Create UCL and LCL with Limit Control Factor A2
b.    Create UCL and LCL with Limit Control Factor D3 and D4

Day-1 1st minutes 4 3 1 2 3 4 56 6 7 8 9 10 5 1 8 12 2 3 4 2nd minute 3rd minute 4th minute 2 4 7 6 3 4 2 3 12 2 5 5 4 6 8 6 10 11 13 4 12 4 3 6 6 2 1 5 6 6 5th minute 1 4 7 8 4 11 9 3 4 6 average X 3,20 5,00 4,40 6,60 4,00 8,00 7,80 5,40 5,60 4,20 5,42 R 4 4 4 10 7 9 10 9 11 5 7,3
Transcribed Image Text:Day-1 1st minutes 4 3 1 2 3 4 56 6 7 8 9 10 5 1 8 12 2 3 4 2nd minute 3rd minute 4th minute 2 4 7 6 3 4 2 3 12 2 5 5 4 6 8 6 10 11 13 4 12 4 3 6 6 2 1 5 6 6 5th minute 1 4 7 8 4 11 9 3 4 6 average X 3,20 5,00 4,40 6,60 4,00 8,00 7,80 5,40 5,60 4,20 5,42 R 4 4 4 10 7 9 10 9 11 5 7,3
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Hi, 

question : from where we got "0,577" ?

size 5=0.577

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