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    One sample t test

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    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

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    https://brainmass.com/statistics/students-t-test/simple-random-sample-assumed-population-mean-128983

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    Question

    Simple random sample / assumed population mean

    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 ...

    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.

    $2.19

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