39 9 10 17 186 11 12 12 52 39 13 14 15 14 12 21 15 30 16 17 15 27 18 65 77 19 10 12 20 7 21 19 16 22 34 28 23 25 20 Do these data provide evidence that breast-fed babies have shorter durations of effusion when compared to bottle-fed babies that are the same age, sex, socioeconomic status, and on the same medications? Note: You have analyzed these data previously, however on could argue that your previous analysis was deficient in some respects. These data are in the file Ear Effusion. JMP. What test procedure do you think should be used for analyzing these data? Explain your choice, conduct the analysis, and summarize your findings. (5 pts.) 5 - The Relation Between Health Insurance Coverage and Clinical Outcomes Among Women with Breast Cancer In their paper of the title above Ayanian et al. examined the potential relationship between health insurance status and clinical outcomes of women with breast cancer. A question the researchers had was where women who do not have health insurance coverage are less likely to be screened for breast cancer, and whether their disease is more advanced at the time of diagnosis. These data look at the insurance status (insured vs. uninsured) of the patient and the grade of cancer (1 = least advanced, ..., 5 = most advanced) at the time of initial diagnosis. Datafile: Insure. JMP a) Could a two-sample t-test be used to analyze these data? Why or why not? (2 pts.) b) Test the null hypothesis that the stage of cancer is same for both insurance classes against the alternative that reflects that uninsured patients generally have more advanced cancer grade at the time of diagnosis. Summarize of your findings. (4 pts.)