000 01534nam a22001577a 4500
005 20241026093622.0
020 _a9780141987491
040 _cDC
082 _bR798
_aQ07
100 _aRowntree, Derek
245 _aStatistics Without Tears: An Introduction for Non-Mathematicians
260 _aUK
_bPenguin Random House
_c2018
300 _a199p
505 _a1. 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
942 _2ddc
_cBK
999 _c115300
_d115300