NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Ace your North American Pharmacist Licensure Examination (NAPLEX) with our comprehensive practice test. Features include interactive flashcards, multiple-choice questions, with detailed hints and explanations. Fast-track your pharmacy career today!

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What does the alternative hypothesis (Ha) propose?

There is no effect or difference.
There is a statistically significant difference.
Categories are in arbitrary order.
Categories are ranked in logical order but the differences are not equal.

The correct answer is: There is a statistically significant difference.

The alternative hypothesis (Ha) proposes that there is a statistically significant difference between groups or factors being compared. In hypothesis testing, the null hypothesis (H0) assumes no significant difference or effect, while the alternative hypothesis (Ha) suggests the opposite - that there is a significant difference or effect present in the population. This is why option B, "There is a statistically significant difference," is the correct answer. Options A, C, and D are incorrect: Option A, "There is no effect or difference," contradicts the purpose of the alternative hypothesis, which is to propose the existence of a significant difference. Option C, "Categories are in arbitrary order," is not relevant to the concept of the alternative hypothesis and does not reflect its purpose. Option D, "Categories are ranked in logical order but the differences are not equal," does not accurately represent what the alternative hypothesis proposes in hypothesis testing.