A random sample of six salespersons that attended a motivational course on sales techniques was moni
Question: A manufacturer bonds a plastic coating to a metal surface. A random sample of nine observations on the thickness of this coating is taken from the week’s output and the thickness (in millimeters) of each observation is as follows:
19.8 21.2 18.6 20.4 21.6 19.8 19.9 20.3 20.8Assuming normality if necessary, find a 90% confidence interval for the population variance.
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Solution: The solution consists of 2 pages
Deliverables: Word Document
Deliverables: Word Document
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