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    ANOVA for computer usage in type of industry

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    One Problem Level of Significance.

    10. The manager of a computer software company wishes to study the number of hours senior executives spend at their desktop computers by type of industry. The manager selected a sample of five executives from each of three industries. At the .05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry?

    Banking Retail Insurance
    12 8 10
    10 8 8
    10 6 6
    12 8 8
    10 10 10

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    Solution Summary

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