1. Regression is one of the concepts and tools in this course which is most commonly used in careers. Regression is often used with forecasting, which allows businesses to plan and prepare for expenses, hiring, etc. Read the following articles, then come back and share what was most surprising to you. Suggest one way you might use regression in your current job or in your chosen major.
2. “Testing the Difference Between Two Means.” Retired workers and disabled workers both receive Social Security benefits. What information would we need to test the claim that the difference in monthly benefits between the two groups is greater than $30 at the 0.05 level of significance? Write out the hypotheses and explain the testing procedure.