The critical t-value represented by t0.025(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.
Correct Answer:
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