For a one-tailed (upper tail) hypothesis test with a sample size of 18 and a .05 level of significance, the critical value of the test statistic t is
A) 1.645.
B) 1.734.
C) 1.740.
D) 2.110.

Question

For a one-tailed (upper tail) hypothesis test with a sample size of 18 and a .05 level of significance, the critical value of the test statistic t is​
A) ​1.645.
B) ​1.734.
C) ​1.740.
D) ​2.110.

Quizplus · Accepted Answer

For a one-tailed t-test with 17 degrees of freedom (n-1 = 18-1) and a significance level of 0.05, the critical t-value is approximately 1.740.

For a One-Tailed (Upper Tail) Hypothesis Test with a Sample