At a production plant manufacturing hazelnut cocoa spread, a sample of 5 jars was taken every 10 minutes between 9.00 AM and 13.50 PM. The filling weight of each jar was measured and the mea filling weights of the 30 samples were plotted on the following control chart.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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At a production plant manufacturing hazelnut cocoa spread, a sample of 5 jars was taken every 10
minutes between 9.00 AM and 13.50 PM. The filling weight of each jar was measured and the mean
filling weights of the 30 samples were plotted on the following control chart.
12 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
Sample
29
30
What does the chart suggest about the stability of the filling process? Is the process in control or out
of control? State your conclusion and explain how you arrived at that conclusion.
Transcribed Image Text:At a production plant manufacturing hazelnut cocoa spread, a sample of 5 jars was taken every 10 minutes between 9.00 AM and 13.50 PM. The filling weight of each jar was measured and the mean filling weights of the 30 samples were plotted on the following control chart. 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Sample 29 30 What does the chart suggest about the stability of the filling process? Is the process in control or out of control? State your conclusion and explain how you arrived at that conclusion.
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