A Sample Has a Mean of M = 39

question 60

Multiple Choice

A sample has a mean of M = 39.5 and a standard deviation of s = 4.3,and produces a t statistic of t = 2.14.For a two-tailed hypothesis test with α = .05,what is the correct statistical decision for this sample?​

• A)​The researcher can reject the null hypothesis with α = .05 but not with α = .01.
• B)​The researcher can reject the null hypothesis with either α = .05 or α = .01.
• C)​The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.
• D)​It is impossible to make a decision about H₀ without more information.

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Definitions:

Functional Operating Team

A group of individuals organized around specific tasks or functions, working together efficiently towards common objectives.

Specialized

Having a particular area of expertise or concentrating on a specific subject, occupation, activity, or field of study.

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The fundamental purpose or role that an entity or process serves in a system or organization.

Decision Groups

Are assemblies or teams formed to analyze situations, consider alternatives, and make choices collectively.