Statistics for dummies / by Deborah J. Rumsey.

Includes index.

This 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.

Statistics in a nutshell -- The statistics of everyday life -- Taking control: so many numbers, so little time -- Tools of the trade -- Means, medians, and more -- Getting the picture: graphing categorical data -- Going by the numbers: graphing numerical data -- Random variables and the binomial distribution -- The normal distribution -- The t-distribution -- Sampling distributions and the central limit theorem -- Leaving room for a margin of error -- Confidence intervals: making your best guesstimate -- Claims, tests, and conclusions -- Commonly used hypothesis tests: formulas and examples -- Polls, polls, and more polls -- Experiments: medical breakthroughs or misleading results? -- Looking for links: correlation and regression -- Two-way tables and independence.