Suppose You Are Testing the Null Hypothesis That a Population $\alpha$

question 82

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is greater than or equal to 60, against the alternative hypothesis that the population mean is less than 60.The sample size is 64 and $\alpha$ = .05.If the sample mean is 58 and the population standard deviation is 16, the observed z value is _______.

• A)-1
• B)1
• C)-8
• D)8
• E)58

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Definitions:

Incentive

Something that motivates or encourages an individual or entity to act in a certain way.

Costs And Benefits

This is an analysis approach that compares the potential outcomes and implications, in terms of costs and benefits, of an action or decision.

Marginal Social Benefit

The extra advantage to society that comes from using an additional unit of a product or service.

Marginal Social Cost

The total cost to society of producing one additional unit of a good, including both private costs and externalities.