approximately the same amount of wine per week. Here arethe data (for drinkers only):"CANCERWine intake x2.58.515.526.5(grams per day)Relative risk y1.001.081.151.22(a) Make a scatterplot of these data. Based on the scatter-plot, do you expect the correlation to be positive or negative?Near ±1 or not?(b) Find the correlation r between wine intake and relativerisk. Do the data show that women who consume more winetend to have higher relative risks of breast cancer?Wine and cancer in women. Some studies havesuggested that a nightly glass of wine may not only take theedge off a day but also improve health. Is wine good for yourhealth? A study of nearly 1.3 million middle-aged Britishwomen examined wine consumption and the risk of breastcancer. The researchers were interested in how risk changedas wine consumption increased. Risk is based on breast cancerrates in drinkers relative to breast cancer rates in nondrinkersin the study, with higher values indicating greater risk. In par-ticular, a value greater than 1 indicates a greater breast cancerrate than that of nondrinkers. Wine intake is the mean wineintake, in grams per day, of all women in the study who drank

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Wine intake x 2.5 8.5 15.5 26.5 (grams per day) Relative risk y 1.00 1.08 1.15 1.22 (a) Make a scatterplot of these data. Based on the scatter- plot, do you expect the correlation to be positive or negative? Near ±1 or not? (b) Find the correlation r between wine intake and relative risk. Do the data show that women who consume more wine tend to have higher relative risks of breast cancer? 00