For a one-tailed test using the 0.05 level of significance, the critical value for the z test is 1.645, but for t it is 1.96.

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The critical value for a one-tailed test using a 0.05 level of significance is 1.645 for a z test and 1.645 for a t test when the sample size is large (n > 30), and 1.96 for a t test when the sample size is small (n < 30). Therefore, the statement is false.

For a One-Tailed Test Using the 0