State the critical value(s)for a t test using a two-tailed test at a .05 level of significance: t(20).
A) ±1.725
B) ±2.093
C) ±2.086
D) ±0.687

Question

Quizplus · Accepted Answer

The critical value for a two-tailed t-test at a .05 level of significance with 20 degrees of freedom is ±2.086. This can be found using a t-distribution table or using statistical software. Therefore, the correct choice is C. The other options are not correct critical values for this scenario.

State the Critical Value(s)for a T Test Using a Two-Tailed