Using a One-Tailed Test Allows Us to Increase Statistical Power

question 27

Multiple Choice

Using a one-tailed test allows us to increase statistical power over a two-tailed test because it:

• A) divides the alpha into two tails but only focuses on one of those tails.
• B) divides the alpha into two tails, which reduces the size of each.
• C) puts the entire alpha into one tail, increasing the chances of rejecting the null hypothesis.
• D) puts the entire alpha into one tail, decreasing the chances of rejecting the null hypothesis.

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