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Author Question: Larry's boat shop wants to monitor the number of blemishes in the paint of each boat. Construct a ... (Read 106 times)

mspears3

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Question 1

Ten samples of size four were taken from a process, and their weights measured. The sample averages and sample ranges are in the following table. Construct and plot an x-bar and R-chart using this data. Is the process in control?

SampleMeanRange
120.010.45
219.980.67
320.250.30
419.900.30
520.350.36
619.230.49
720.010.53
819.980.40
920.560.95
1019.970.79


Question 2

Larry's boat shop wants to monitor the number of blemishes in the paint of each boat. Construct a 3-sigma c-chart to determine if their paint process is in control using the following data.

Sample NumberNumber of
 Defects
13
24
32
41
53
62
71
84
92
103


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Marked as best answer by mspears3 on Dec 3, 2019

IAPPLET

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mspears3

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Reply 2 on: Dec 3, 2019
Thanks for the timely response, appreciate it


bigcheese9

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Reply 3 on: Yesterday
Excellent

 

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