Statistics For Dummies - Tapa blanda

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The fun and easy way to get down to business with statistics Stymied by statistics? No fear ? this friendly guide offers clear, practical explanations of statistical ideas, techniques, formulas, and calculations, with lots of examples that show you how these concepts apply to your everyday life. Statistics For Dummies shows you how to interpret and critique graphs and charts, determine the odds with probability, guesstimate with confidence using confidence intervals, set up and carry out a hypothesis test, compute statistical formulas, and more. * Tracks to a typical first semester statistics course * Updated examples resonate with today's students * Explanations mirror teaching methods and classroom protocol Packed with practical advice and real-world problems, Statistics For Dummies gives you everything you need to analyze and interpret data for improved classroom or on-the-job performance.

Contraportada

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