You are a consultant and the U.S. Department of Laborhas requested assistance in evaluating the impact of economic stimulus on the unemployment rate. From the States Data Set the following t test was conducted to answer the question:
"Has there been a significant reduction in the national unemployment rate between January and June?"
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1. What is the Null and the Alternative Hypotheses?
2. What is your level of alpha (α)?
3. What is your conclusion?
4. What is your answer to the question?