CHAPTER 13 Chapter Quick Quiz 693 10.Baseball World Series Victories Test the claim that the sequence of World Series wins by American League and National League teams is random. Given are recent results, with A = American League and N = National League. ANANNNAAAANAAAANANNAANNA AAANANNAAAAANANANANAAAAA AANNANANNAANNNANANANAAAN NAANNNNAAANANANAAANANAAA NANAANANANNNANANAA 11. Stock Market: Testing for Randomness Above and Below the Median Listed below are the annual high values of the Dow Jones Industrial Average for a recent sequence of years. Find the median, then test for randomness below and above the median. What does the result suggest about the stock market as an investment consideration? 969 995 943 985 969 842 951 1036 1052 892 882 1015 1000 908 898 1000 1024 1071 1287 1287 1553 1956 2722 2184 2791 3000 3169 3413 3794 3978 5216 6561 8259 9374 11568 11401 11350 10635 10454 10855 10941 12464 14198 13279 10580 11625 12929 13589 16577 18054 18312 19975 24838 26828 12. Kentucky Derby Listed below are the post positions of Kentucky Derby winners arranged in order by year. Find the mean, then test for randomness above and below the mean. Is there any other analysis that would be better for bettors? 7513118105115143541221312 1491107816299144178127138 212 910 2 3 2 4 2 310 718101510 1 31110 8 510 6 81615 5 3161516 5 51310 8 720 8 4161915 51513 13.Finding Critical Values a. Using all of the elements A, A, A, B, B, B, B, B, B, list the 84 different possible sequences. b. Find the number of runs for each of the 84 sequences. c. Use the results from parts (a) and (b) to find your own critical values for G. d. Compare your results to those given in Table A-10. 13-7 Beyond the Basics Chapter Quick Quiz 1.Nicotine in Cigarettes Some of the nonparametric methods in this chapter use ranks of data. Find the ranks corresponding to the following amounts (milligrams) of nicotine in kingsized cigarettes (from Data Set 16 “Cigarette Contents” in Appendix B). 1.1 1.7 1.7 1.1 1.4 1.0 1.2 1.8 1.6 1.1 2. Efficiency What does it mean when we say that the rank correlation test has an efficiency rating of 0.91 when compared to the parametric test for linear correlation?
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