statistically. It focuses on the ideas behind statistics only; readers are not required to perform any calculations. 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.

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