1. Explain in words what a confidence interval means to someonewho has never taken statistics.
2. There is concern that rural Minnesota is aging at a differentrate than urban Minnesota. We want to test if the average age inrural Minnesota is different from the average agein urban Minnesota. Write out the null and alternativehypotheses.
3. At the 5% significance level, do you reject the nullhypothesis? Why? Explain this to someone who has never takenstatistics.
