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    Hypothesis testing : Mean assembling time

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    The management of White industries is considering a new method of assembling its golf cart. The present method requires 42.9 minutes, on the average, to assemble a cart. The mean assembly time for a random sample of 24 carts using the new method was 40.6 minutes and the standard deviation of the sample was 2.7 minutes. Use the .10 level of significance, can we conclude that the assembly time using the new method is faster?

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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.