3 - Norton Score for Elderly Orthopedic Patients In their paper "A preliminary discriminant function analysis of elderly orthopedic patients who will or will not contract a pressure sore" in the International Journal of Nursing Studies (1980), Goldstone et al. Norton scores which measure mental condition, activity, mobility, and incontinence were reported for elderly orthopedic patients. Patients were classified into three groups: patients who did not develop pressure sores, patients who developed noticeable erythema, and patients who developed pressure sores. Do the data in the file Norton Scores.JMP provide evidence that the Norton scores for these three populations of elderly orthopedic patients differ? a) Use an appropriate method to answer the question of interest. Summarize your findings (S pts.) b) Using an appropriate multiple comparison strategy, compare the population Norton scores of patients who did not develop sores to those that did develop sores. What is your conclusion based upon this comparison? (4 pts.) 4 - Middle Ear Effusion in Breast-Fed and Bottle-Fed Infants A common symptom of otitus media in young children in the prolonged presence of fluid in the middle ear, known a middle-ear effusion. The presence of fluid may result in termporary hearing loss and interfere with normal learning skills in the first two years of life. One hypothesis is that babies who are breast-fed for at least 1 month build up some immunity against the effects of the disease and have less prolonged effusion than do bottle-fed babies. A small study of 24 pairs of babies is set up, where the babies are matched on a one-to-one basis according to age, sex, socioeconomic status, and type of medications taken. One member of the matched pair is a breast-fed baby, and other member is a bottle fed baby. The outcome variable is the duration of middle-ear effusion after the first episode of otitus media. The results are shown below Pair Duration of effusion in Duration of effusion Difference Number breast-fed baby in bottle-fed baby d = 20 18 11 35 3 JOUDWNE 24 182 6 28 33 58 223