quinta-feira, 26 de maio de 2011

Estatística na planilha Excel

Use Excel 2010’s statistical tools to transform your data into knowledge

Use Excel 2010’s powerful statistical tools to gain a deeper understanding of your data, make more accurate and reliable inferences, and solve problems in fields ranging from business to health sciences.

Top Excel guru Conrad Carlberg shows how to use Excel 2010 to perform the core statistical tasks every business professional, student, and researcher should master. Using real-world examples, Carlberg helps you choose the right technique for each problem and get the most out of Excel’s statistical features, including its new consistency functions. Along the way, you discover the most effective ways to use correlation and regression and analysis of variance and covariance. You see how to use Excel to test statistical hypotheses using the normal, binomial, t and F distributions.

Becoming an expert with Excel statistics has never been easier! You’ll find crystal-clear instructions, insider insights, and complete step-by-step projects—all complemented by an extensive set of web-based resources.

Master Excel’s most useful descriptive and inferential statistical tools
Tell the truth with statistics, and recognize when others don’t
Accurately summarize sets of values
View how values cluster and disperse
Infer a population’s characteristics from a sample’s frequency distribution
Explore correlation and regression to learn how variables move in tandem
Understand Excel’s new consistency functions
Test differences between two means using z tests, t tests, and Excel’s Data Analysis Add-in
Use ANOVA and ANCOVA to test differences between more than two means
Explore statistical power by manipulating mean differences, standard errors, directionality, and alpha

Statistical Analysis: Microsoft Excel 2010
Conrad Carlberg