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. 2017 Mar 22;284(1851):20162873. doi: 10.1098/rspb.2016.2873

Table 2.

Summary of test statistics: tests for (a) equality of variances (left; Brown–Forsythe W50 or F-test) and (b) equality of means (right; two-sample t-tests for equal or unequal variances).

comparison of variances
comparison of means
measurements W50-/F-statistic p-value t-statistic p-value
Inline graphic Inline graphic W50:14,14 = 2.2 p = 0.2 teq:28 = 0.5 p = 0.6
Inline graphic Inline graphic F10,10 = 1.08 p = 0.90 teq:20 = 0.12 p = 0.90
Inline graphic Inline graphic W50:10,14 = 14 p < 10- 4 Tun:24 = 1.3 p = 0.22
Inline graphic Inline graphic W50:10,14 = 1.8 p = 0.4 teq:24 = 1 p = 0.3