Question

question 2 0.25 pts which of the following hypotheses is written correctly? subjects who receive the drug x will have the best hearts. subjects who receive the drug x will have higher heart rates than subjects that do not receive the drug x. subjects who receive the drug x will have high heart rates. subjects who have fast heart rates should take drug x.

Explanation:

A correct hypothesis should be test - able and state a relationship between variables. The first option "best hearts" is vague. The third option just states a single - sided outcome without a comparison. The fourth option is a recommendation, not a hypothesis. The second option clearly states a comparison between two groups (subjects who receive drug X and those who don't) regarding heart rates, making it a test - able hypothesis.

Answer:

Subjects who receive the drug X will have higher heart rates than subjects that do not receive the drug X.