If H ₀ Is in Reality False and It Is

question 61

Multiple Choice

If H ₀ is in reality false and it is legitimate to use a directional H ₁, which of the following will yield a more powerful test?

• A) one-tailed alternative hypothesis
• B) two-tailed alternative hypothesis
• C) one-tailed or two-tailed alternative hypothesis will yield the same power
• D) type of alternative hypothesis has no effect on power

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