num_pages: 199
description: CONTENTS of STATISTICS WITHOUT TEARSIntroduction. How to use this book.1. Statistical inquiry. Making sense of experience. What is statistics? Descriptive and inferential statistics. Collecting a sample.2. Describing our sample. Statistical variables. Error, accuracy and approximations.3. Summarizing our data. Tables and diagrams. Central tendency (averages). Measures of dispersion.4. The shape of a distribution. Skewed distributions. Introducing the normal distribution. Proportions under the normal curve. Comparing values.5. From sample to population. Estimates and inferences. The logic of sampling. A distribution of sample-means. Estimating the population-mean. Estimating other parameters.6. Comparing samples. From the same or different populations? Significance testing. The significance of significance. Comparing dispersions. Non-parametric methods.7. Further matters of significance. One- versus two-tailed tests. z-tests and t-tests. Comparing several means. Comparing proportions.8. Analysing relationships. Paired values. Three kinds of correlation. The strength of a correlation. The significance of a correlation coefficient. Interpreting a correlation coefficient. Prediction and regression.Postscript. Review. Caution.Bibliography.Index.
language: English
title: Statistics Without Tears: A Primer for Non-mathematicians
titlecomplete: Statistics Without Tears: A Primer for Non-mathematicians
genres: Nonfiction, Textbooks, Technology, Business, Research, Reference, Economics, Science, Psychology, Mathematics
ratings_count: 588
publisher: Scribner