Answer to Question #204953 in Statistics and Probability for bryan

Question

The critical value or t-value of a one-tailed test when n=18 for 95% of confidence interval is 1.734 *

Answer 1

$$df=n-1=18-1=17, \alpha=0.05$$

The critical value or t-value of a one-tailed test when n=18 for 95% of confidence interval is $1.739607\approx1.734$ for right-tailed test.

The critical value or t-value of a one-tailed test when n=18 for 95% of confidence interval is 1.734 (right-tailed).