Statistics A First Course - 4th edition Author:John E. Freund, Richard Manning Smith From the preface, "Written for advanced high school students, college freshmen and sophomores but maintaining the high level of mathematical precision without overcomplicating the material. Special care has been taken in revising the presentation of some of the more difficult concepts, so that they are now more readily accessible to the beg... more »inning student. Among others, these revisions involve the binomial distribution, sampling distributions, analysis of variance, and chi-square tests. New topics in this edition include stem-and-leaf plots, box-and-whisker plots, and a separate section dealing with significance tests concerning the difference between the means of paired data." Authors« less