Which of the Following Would Be an Appropriate Null Hypothesis

question 39

Multiple Choice

Which of the following would be an appropriate null hypothesis?

• A) The mean of a population is equal to 55.
• B) The mean of a sample is equal to 55.
• C) The mean of a population is greater than 55.
• D) The mean of a sample is greater than 55.

Apply distribution-free methods in hypothesis testing.

Recognize the assumptions underlying the Wilcoxon rank sum test.

Assess the appropriateness of nonparametric tests over parametric tests.

Understand the validity conditions and limitations of the chi-square approximation.

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