Statistics at Square One - eBMJ

Statistics at Square One - eBMJ (TDV Swinscow - revised by MJ Campbell)A well-known introduction to statistics with full text chapters on: Data display and summary; Mean and standard deviation; Populations and samples; Statements of probability and confidence intervals; Differences between means: type I and type II errors and power; Differences between percentages and paired alternatives; The t tests; The chi-squared tests; Exact probabilty test; Rank score tests; Correlation and regression; Survival analysis; Study design and choosing a statistical test. http://www.bmj.com/collections/statsbk/index.dtl