A hole-punch machine is set to punch a hole 1.894 cm in diameter. It is important that
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A hole-punch machine is set to punch a hole 1.894 cm in diameter. It is important that the hole is exactly 1.84 cm. To measure the accuracy of the machines, a random sample of 12 punched holes and their diameters were measured. (Use 90% confidence). Mean of the sample is 1.8475 and s = 0.021.
Use both critical value and p-value approach.
Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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