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    ANOVA: The Difference In Mean Hours

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

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

    How is this different from other hypothesis testing?

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    https://brainmass.com/statistics/analysis-of-variance/anova-the-difference-in-mean-hours-45028

    Solution Preview

    ANOVA: Single Factor

    Summary
    Groups.........Count.......Sum......Average......Variance
    Column 1.........5.............54..........10.8..............1.2
    Column ...

    Solution Summary

    The solution is comprised of a detailed step by step calculation of how to determine the difference in mean hours using ANOVA. A table, and how to calculate all the values is provided in the solution.

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