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    Hypothesis testing for population mean

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    The analyze results of two instruments A & B, show the following data:
    Instrument A : Mean = 14.2, Std Dev = 1.4, N = 250
    Instrument B : Mean = 13.0, Std Dev = 0.8, N = 200
    Significance Level = .05
    Calculate the p value.

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    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.