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.

---

Definitions:

Historical Data

Data collected from past events and time periods, used to analyze trends, forecast future occurrences, or serve as benchmarks.

Forecast

The process of making predictions based on past and present data trends, commonly used in weather, economic, and business planning contexts.

Population

The entire group of individuals or items that is the subject of a statistical study.

Sampling

the process of selecting a subset of individuals from a population to estimate characteristics of the whole population.