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Microsoft® Excel Data Analysis and Business Modeling by Wayne L. Winston

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Chapter 48. Analysis of Variance: One-Way ANOVA

  • Microsoft Press wants to know whether the position of its books in the computer book section of bookstores influences sales. More specifically, does it really matter whether the books are placed in the front, back, or middle of the computer book section?

  • If we are determining whether populations have significantly different means, why is the technique called analysis of variance?

  • How can we use the results of one-way ANOVA for forecasting?

We often have several different groups of people or items and want to determine whether data about the groups differs significantly. Here are some examples:

  • Is there a significant difference in the length of time that four doctors keep mothers in the hospital after ...

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