A Researcher Is Conducting an Experiment to Evaluate a Treatment

question 19

Multiple Choice

A researcher is conducting an experiment to evaluate a treatment that is expected to increase the scores for individuals in a population that is known to have a mean of μ = 80.The results will be examined using a one-tailed hypothesis test.Which of the following is the correct statement of the null hypothesis?

• A)μ > 40
• B)μ > 120
• C)μ < 85
• D)μ < 80

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