251-2conts 7/25/06 Roger Even Bove SUPPLEMENTARY MATERIALS AND TABLES FOR ECO251 & 252 Fall 2006 Please bring this material and your text to classes and exams! CONTENTS pg. 1 Article Confidence Limits and Hypothesis testing for Variances pg. 6 Table 1 Chi-Square Distribution pg. 7 Table 2 F Distribution pg. 17 Table 3 Formulas for Confidence Intervals and Hypothesis Tests pg. 19 Table 4 Critical Values of r in the Runs Test pg. 20 Table 5 Simplified Wilcoxon Rank Sum Test for Two Independent Samples pg. 22 Table 6 Critical Values of the Wilcoxon Rank Sum Test for Two Independent Samples pg. 23 Table 7 Critical Values for the Wilcoxon Signed Rank Sum Test for two Matched Samples pg. 24 Table 8 Table of p-values Associated with Values of F2 in the Friedman Two-Way Analysis of Variance by Ranks pg. 25 Table 9 Table of p-values for the Kruskal-Wallis Test Statistic for Three Samples for OneWay Analysis of Variance by Ranks pg. 27 Table 10 Critical Values of for the Kolmogorov-Smirnov One-Sample Test for Goodness of Fit pg. 27 Table 11 Critical Values for the Lilliefors Test for Normality pg. 28 Table 12 Critical Values of s in the Kendall Test For Concordance pg. 28 Table 13 Critical Values of the Spearman Rank Correlation Coefficient pg. 29 Table 14 Poisson Distribution pg. 39 Table 15 Cumulative Binomial Distribution pg. 47 Table 16 Confidence Intervals for Binomial Sampling pg. 48 Table 17 Standard Normal Distribution pg. 49 Table 18 Values of the t Distribution pg. 51 Table 19 What Method Should I Use? pg. 52 Table 20 Formulas for Descriptive Statistics pg. 54 Table 21 Critical Values of the Studentized Range Statistic q (i) 251-2conts 7/25/06 CONTENTS (ctd.) pg. 58 Article Formulas For Functions of Random Variables pg. 68 ECO 251 Problems pg. 78 ECO 252 Problems pg. 86 ECO 251 - Things That You Should Never Do on a Statistics Exam (or Anywhere Else) pg. 87 ECO 252 - Things That You Should Never Do on a Statistics Exam (or Anywhere Else) REFERENCES William H. Beyer, ed., CRC Standard Probability and Statistics Tables and Formulae, CRC Press, 1991. David J. Sheskin, Handbook of Parametric and Nonparametric Statistical Procedures, CRC Press, 1997. Sidney Siegel, Nonparametric Statistics: for the Behavioral Sciences, McGraw - Hill, 1956. (ii)