Statistics Without Tears: A Primer for Non-mathematiciansThis book is written in the belief that the basic concepts of statistics can be learned without having to perform calculations. It provides an introduction to the main concepts and terminology of statistics, providing the student with the ideas of the subject before getting involved in the associated calculations. |
Contents
Introduction | 9 |
Describing our sample | 28 |
Summarizing our data | 38 |
Copyright | |
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50 students alternative hypothesis analysis of variance average beats per minute bicycle bigger blood-pressures calculated category-variables central tendency chance chapter confidence interval correlation coefficient course-work mark difference between means distribution of sample-means dot-diagram dots drug estimate exam marks example expect fact feet female mean ference figures frequency heights inferences instance larger less look male male-means mean score mean-A median method non-parametric normal curve normal distribution null hypothesis number of observations observed values one-tailed pairs of samples pairs of values percentage placebo population-mean possible predict probability proportion Pulse-rate beats quantity-variables random samples range real difference reject the null relationship researcher right-hand tail S-mean sample of 100 sampling distribution sampling variation scatter diagrams SE-diff significance test significant difference skewed smaller standard deviation standard error suppose t-test tail theory tion Type I error Type II error variable women