TY - BOOK AU - Rowntree, Derek TI - Statistics Without Tears: An Introduction for Non-Mathematicians SN - 9780141987491 U1 - Q07 PY - 2018/// CY - UK PB - Penguin Random House N1 - 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 ER -