In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.

How Can I Use Excel to Calculate a Simple Regression Equation?

How Can I Use Excel to Calculate a Simple Regression Equation?

In the following example, we’ll examine whether the number of college football wins last season predicts the number of college football wins for the coming season. The research hypothesis is that last season’s wins do predict next season’s, and a one-tail or directional hypothesis is tested at the.05 level of significance.

The data, which are shown below, consist of the wins for 10 teams last season (the X variable) and those for this season (the Y variable). The correlation between the two can be used to generate a regression equation that can predict wins for the next season (which will be the Y or Y-prime variable). We’ll deal here only with testing this hypothesis ...

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