# Applied Statistics for Public Policy

M.E. Sharpe, 2006 - Mathematics - 536 pages
This practical text provides students with the statistical tools needed to analyze data, and shows how statistics can be used as a tool in making informed, intelligent policy decisions. The authors' approach helps students learn what statistical measures mean and focus on interpreting results, as opposed to memorizing and applying dozens of statistical formulae. The book includes more than 500 end-of-chapter problems, solvable with the easy-to-use Excel spreadsheet application developed by the authors. This template allows students to enter numbers into the appropriate sheet, sit back, and analyze the data. This comprehensive, hands-on textbook requires only a background in high school algebra and has been thoroughly classroom-tested in both undergraduate and graduate level courses. No prior expertise with Excel is required. A disk with the Excel template and the data sets is included with the book, and solutions to the end-of-chapter problems will be provided on the M.E. Sharpe website.

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### Contents

 What Is Statistics All About? 3 Using POLYSTAT to Do Statistical Analysis 14 Presentation of Data 32 Summarizing Data and Using Descriptive Statistics 70 Theory and Applications 111 Sampling and the Normal Distribution 128 Appendix 141 The Central Limit Theorem 161
 Validating Hypotheses About a Single Population Proportion 305 Validating Hypotheses About Two Population Proportions 321 Comparing More Than Two Population Means with ANOVA 341 Comparing More Than Two Proportions Using the ChiSquare Test 372 Determining Relationships for Two Variables Using Correlation 397 Measuring Relationships with Simple Regression Analysis 426 Measuring Multivariate Relationships with Regression Analysis 462 Planning Statistical Research 484

 Introduction to Inferential Statistics 187 Estimating Means Proportions and Sample Size with Confidence 213 Validating a Hypothesis About a Population Mean Using a Sample 241 Validating Hypotheses Between Two Population Means 270
 Key Formulas 512 Index 521 About the Authors 536 Copyright

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