In determining the critical value of the test statistic,the area to the right of the critical value is either α or α/2.It is α for a one-tail test and α/2 for a two-tail test.

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This statement is true. For a one-tail test, the critical value is determined using the significance level (α) and the area to the right of the critical value is α. For a two-tail test, the critical value is determined using the significance level (α/2) and the area to the right of the critical value in each tail is α/2.

In Determining the Critical Value of the Test Statistic,the Area