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The aim of this book is to present the mathematics underlying elementary statistical methods in as simple a manner as possible. These methods include independent and paired sample t-tests, analysis of variance, regression, and the analysis of covariance. The author's principle tool is the use of geometric ideas to provide more visual insight and to make the theory accessible to a wider audience than is usually possible. TOC:From the contents: Introduction.- Paired Samples.- Independent Samples.- Several Independent Samples (Analysis of Variance).- Simple Regression.- Overview.- Appendices: Geometric Tool Kit; Statistical Tool Kit; Computing; Alternative Test Statistic; Solutions to Exercises; Statistical Tables.