In Performing a Hypothesis Test Where the Null Hypothesis Is

question 122

Multiple Choice

In performing a hypothesis test where the null hypothesis is that the population mean is 4.8 against the alternative hypothesis that the population mean is not equal to 4.8, a random sample of 25 items is selected.The sample mean is 4.1 and the sample standard deviation is 1.4.It can be assumed that the population is normally distributed.The degrees of freedom associated with this are _______.

• A)25
• B)24
• C)26
• D)2
• E)1

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Definitions:

Agreement

A mutual understanding or arrangement between two or more parties, often formalized by a contract or other legal document.

Duration

How long something lasts or is present.

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A short-term psychological treatment aimed at addressing specific issues within a limited number of sessions.

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