A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$

question 76

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 and a one?tailed test is 1.645.The observed z value from sample data is 1.13.The decision made by the researcher based on this information is to ______ the null hypothesis.

• A) reject
• B) fail to reject
• C) redefine
• D) change the alternate hypothesis into
• E) restate

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Definitions:

Sociologist

A sociologist is a social scientist who specializes in the study of societies, the behaviors and interactions of individuals within those societies, and the processes that preserve and change them.

Sample Size

The number of individuals or observations included in a study or survey, which can affect the reliability and validity of the research findings.

Funding

Financial support provided for a particular purpose, such as research, projects, or businesses.

Random Selection

A method of choosing individuals or items from a population in a way that each has an equal chance of being selected.