40 Samples Manufacturing
The mean of the sample means and the pooled standard deviation of 40 samples of size 5 taken from a production process under control are 
,and S = 11.5,respectively.
-{40 Samples Manufacturing Narrative} Calculate the centerline and control limits for the 
chart.
Definitions:
Edema
Swelling caused by excess fluid trapped in the body's tissues, often affecting the legs, arms, or other areas.
Pharynx
The muscular tube that connects the mouth and nasal passages with the esophagus and larynx, serving both respiratory and digestive functions.
Lighter Fluid
A flammable liquid used in lighters and certain types of burners, often composed of butane or naphtha.
Esophageal Stricture
The narrowing of the esophagus, which can cause swallowing difficulties, often resulting from inflammation or scarring.
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