3. Using the data in Chapter 14 Data Set 2 (pp. 379-381), complete the analysis and interpret the results for level of severity and type of treatment for pain relief. It is a 2 x 3 experiment. Copy and paste the results below. 4. Use the data in Chapter 14 Data Set 3 (pp. 381-382) and answer the following questions in an analysis of whether level of stress and gender has an impact on caffeine consumption (measured as cups of coffee per day). Copy and paste your results below. a. Is there a difference between the levels of caffeine consumption for the