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

Name: 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
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Quizplus · Accepted Answer

For a right-tailed test with n = 25 and α = 0.05, we use the t-distribution with 24 degrees of freedom (n-1). The critical t-value for α = 0.05 and 24 degrees of freedom is approximately 1.711.

If N = 25 and α =