The Critical T-Value Represented by T₀

question 21

Multiple Choice

The critical t-value represented by t_{0.025(2) ,20} is the one appropriate for which combination of critical value and degrees of freedom?

• A) A 5% critical value and 19 degrees of freedom.
• B) A 5% critical value and 20 degrees of freedom.
• C) A 2.5% critical value and 19 degrees of freedom.
• D) A 2.5% critical value and 20 degrees of freedom.