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Question

The Employment and Training Administration reported that the U.S. mean unemployment insurance benefit was $238 per week (The World Almanac, 2003). A researcher in the state of Virginia anticipated that sample data would show evidence that the mean weekly unemployment insurance benefit in Virginia was below the national average.

At$\alpha$ = .05, what is your conclusion?

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 8Given:

- $\overline{x}$ = Sample mean = 231
- $s$ = Sample standard deviation = 80
- $n$ = Sample size = 100
- $\alpha$ = Significance level = 0.05

In this exercise, we determine the conclusion of a hypothesis test about a population mean when the population standard deviation $\sigma$ is unknown.

*How do you execute a hypothesis test?*

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