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Author Question: A lathe is set to cut bars of steel into lengths of 6 centimeters. The lathe is considered to be in ... (Read 101 times)

jlol3

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A lathe is set to cut bars of steel into lengths of 6 centimeters. The lathe is considered to be in perfect adjustment if the average length of the bars it cuts is 6 centimeters. A sample of 121 bars is selected randomly and measured. It is determined that the average length of the bars in the sample is 6.08 centimeters with a standard deviation of 0.44 centimeters.

a.Formulate the hypotheses to determine whether or not the lathe is in perfect adjustment.
b.Compute the test statistic.
c.Using the p-value approach, what is your conclusion? Let α = .05.



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Marked as best answer by jlol3 on Mar 25, 2023

mgranuc

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jlol3

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Reply 2 on: Mar 25, 2023
Excellent


31809pancho

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Reply 3 on: Yesterday
:D TYSM

 

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