Skip to main content
. 2011 Nov 2;6(11):e27162. doi: 10.1371/journal.pone.0027162

Table 6. “Color” ×SES (Chi-square test).

Socioeconomic Status
A B C D X2 p
“White” Ob 3 32 18 1
Exp 1.3 23.9 23.9 5.0
“Brown” Ob 1 39 53 11
Exp 2.4 46.0 46.0 9.7
“Black” Ob 0 5 5 4
Exp 0.3 6.2 6.2 1.3
Total 4 76 76 16 19.38 0.004

SES = socioeconomic status; Ob = Observed values; Exp = expected values; X2 = chi-square value.