A drilling machine is used to make rivet holes in aluminium plates used in aircraft manufacture. If
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Question:
A drilling machine is used to make rivet holes in aluminium plates used in
aircraft manufacture. If the standard deviation of the hole diameter exceeds
millimetres there is an unacceptably high probability that the rivet will not
fit. A random sample of rivet holes showed a sample average of
millimetres and a sample standard deviation of millimetres. Perform an
appropriate hypothesis test to determine if there strong evidence as the
engineer claims to indicate the standard deviation of the hole diameter
exceeds millimetres. significane
Related Book For
Materials and process in manufacturing
ISBN: 978-0471656531
9th edition
Authors: E. Paul DeGarmo, J T. Black, Ronald A. Kohser
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