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6 January, 16:49

Identify the type of claim in each research question below.

For many years "working full-time" was 40 hours per week. A business researcher gathers data on the hours that corporate employees work each week. She wants to determine if corporations now require a longer work week.

Group of answer choices

a. Testing a claim about a single population proportion.

b. Testing a claim about a single population mean.

c. Testing a claim about two population proportions.

dTesting a claim about two population means.

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  1. 6 January, 17:46
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    b. Testing a claim about a single population mean.

    Step-by-step explanation:

    Hello!

    The researcher wants to test the claim that corporation employees work more than 40 hours per week.

    The variable of interest is "The number of hours a corporate employee works per week"

    The parameter of study, for her to make a valid conclusion about the weekly working hours of the population of corporation employees is the population mean μ.

    If the claim is correct, she would expect the population mean of weekly hours the corporate employees work to be greater than 40.

    This is an example of a single population mean test.
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