Statistics For Dummies - Tapa blanda

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Deborah J. Rumsey, PhD, is a professor of statistics and the director of the Mathematics and Statistics Learning Center at The Ohio State University. She is the author of Statistics Workbook For Dummies, Statistics II For Dummies, and Probability For Dummies.

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The easy way to get down with statistics

Stymied by statistics? Fear not! In easy-to-understand terms, this friendly guide shows you how to collect, graph, and critique data; decipher distributions; calculate confidence intervals and hypothesis tests; analyze data with correlation, regression, and two-way tables; and much more.

• The world of statistics get a handle on the quantity and quality of statistics you encounter in everyday life

• Get the big picture explore data using graphs and charts and describe data using means, medians, standard scores, percentiles, and more

• Results may vary understand common statistical distributions and find out how to work with random variables, standard error, the Central Limit Theorem, and more

• Guesstimate with confidence use standard error, confidence intervals, and hypothesis tests to make conclusions about a population

• Dig into statistical studies and their analyses get the scoop on polls, experiments, correlation, linear regression, two-way tables, and independence

Open the book and find:

• Plain-English explanations of statistical jargon

• Information on organizing, graphing, and critiquing data

• The 411 on random variables; the binomial, normal, t-, and sampling distributions; and the Central Limit Theorem

• Pointers for conducting, interpreting, and critiquing polls and experiments

• Data analysis tools for regression, confidence intervals, hypothesis tests, and two-way tables

• Plenty of examples and figures to illustrate important concepts and methods

Learn to:

• Grasp statistical ideas, techniques, formulas, and calculations

• Interpret and critique graphs and charts, determine probability, and work with confidence intervals

• Critique and analyze data from polls and experiments