Statistics Equations & Answers
It's difficult to provide more context without knowing the full title and author of the book. However, assuming the book is titled "Statistics Equations & Answers," we can make some general assumptions about its content.
Presumably, this book would be a reference guide for common statistical equations used in data analysis. It may contain formulas for things like mean, median, standard deviation, correlation, and regression. Additionally, it may provide sample problems and solutions to help students or professionals understand how to apply these equations.

As for the author, it's impossible to say without more information. However, some common authors of statistics textbooks and reference guides include Sheldon Ross, Richard De Veaux, and David Moore.

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