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?"
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?