Comparison of Test Statistics of Nonnormal and Unbalanced Samples for Multivariate Analysis of Variance in terms of Type-I Error Rates

Figure 2

Graphs of type-I error rates of Student’s t distribution for constant and increasing variances. (a) Student’s t distribution (2), , homogeneous variance; (b) Student’s t distribution (2), , homogeneous variance; (c) Student’s t distribution (2), , heterogeneous variance; (d) Student’s t distribution (2), , heterogeneous variance.

(a)

(b)

(c)

(d)