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One sample t test

A shipment of crankshafts is believed to be defective. A simple random sample of 16 is drawn from a large shipment. Check to see if the sample is any different from the assumed population mean of 224.

224.12
223.960
224.098
224.001
224.089
224.057
224.017
223.987
223.913
223.982
223.976
223.999
223.989
223.902
223.961
223.980

Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

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