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Statistics II For Dummies
Pinpointing the Differences: The Wilcoxon Rank Sum Test ...................320
Pairing off with pairwise comparisons ............................................320
Carrying out comparison tests to see who’s different ..................321
Examining the medians to see how they’re different ....................323
Chapter 20: Pointing Out Correlations with Spearman’s Rank . . . . .325
Pickin’ On Pearson and His Precious Conditions ....................................326
Scoring with Spearman’s Rank Correlation ..............................................327
Figuring Spearman’s rank correlation .............................................328
Watching Spearman at work: Relating aptitude
to performance ...............................................................................329

Part VI: The Part of Tens ........................................... 333

Chapter 21: Ten Common Errors in Statistical Conclusions. . . . . . . .335

Chapter 22: Ten Ways to Get Ahead by Knowing Statistics. . . . . . . .347

Chapter 23: Ten Cool Jobs That Use Statistics. . . . . . . . . . . . . . . . . . .357

Appendix: Reference Tables ....................................... 367

Index ....................................................................... 379

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