Independent Samples Test t-test for Equality of Means df Sig. (2-tailed) Mean Difference Std. Error Dif Anxiety Equal variances assumed 2.700 22 013 3.25000 Equal variances not assumed 2.700 20.632 014 3.25000 The results above suggest there is a probability of 1) a Type II error. 2) 5% for a Type | error. 3) neither a Type I nor Type II error. 4) 1.3% for a Type | error. 9:20