The Employment and Training Administration reported the U.S. mean unemployment insurance benefit was $238 per week...

a. Develop appropriate hypotheses such that rejection of H₀ will support the researcher's contention.
H₀: - Select your answer -greater than or equal to 238greater than 238less than or equal to 238less than 238equal to 238not equal to 238Item 1
H_a: - Select your answer -greater than or equal to 238greater than 238less than or equal to 238less than 238equal to 238not equal to 238Item 2

b. For a sample of 80 individuals, the sample mean weekly unemployment insurance benefit was $231 with a sample standard deviation of $70. The p-value is - Select your answer -less than .005between .005 and .01between .01 and .025between .025 and .05between .05 and .10between .10 and .20greater than .20Item 3

c. Using = .05, can you conclude that the mean weekly unemployment insurance benefit in Virginia is below the national level?
- Select your answer -YesNoItem 4

Answer the next three questions using the critical value approach.

d. Using = .05, what is the critical value for the test statistic (to 2 decimals)?

e. State the rejection rule: Reject H₀ if t is - Select your answer -greater than or equal togreater thanless than or equal toless thanequal tonot equal toItem 6 the critical value.

f. Using = .05, can you conclude that the mean weekly unemployment insurance benefit in Virginia is below the national level?
- Select your answer -YesNoItem 7

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orchestra answered 2 years ago

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