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. Author manuscript; available in PMC: 2015 Aug 13.
Published in final edited form as: Open J Stat. 2015 Aug;5(5):412–420. doi: 10.4236/ojs.2015.55043

Table 7.

Contingency table used with cutoffs corresponding to percentiles (0.25, 0.5, 0.75).

Group Bin
1 (≤24.5) 2 (>24.5, ≤28.5) 3 (>28.5, ≤33.5) 4 (>33.5)
Black Females 108 140 186 259
Black Males 178 176 159 133
White Females 257 190 190 209
White Males 219 266 224 149