If N = 25 and α =

question 115

Multiple Choice

If n = 25 and α = .05 in a right-tailed test of a mean with unknown σ, the critical value is:

• A)1.960
• B)1.645
• C)1.711
• D).0179 Using d.f. = 24, t_.05 = 1.711 from AppendixD.

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