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Because colas tend to replace healthier beverages and colas contain caffeine and phosphoric acid, researchers wanted to know whether cola consumption is associated with lower bone mineral density in women. The accompanying data lists the typical number of cans of cola consumed in a week and the femoral neck bone mineral density for a sample of 15 women. Complete parts (a) through (f) below 7Click the icon to view the women's data. (a) Find the least-squares regression line treating cola consumption per week as the explanatory variable. x+ (Round to three decimal places as needed.) (b) Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. For a bone density of 0 g / cm, the number of colas consumed is predicted to be Round to three decimal places as needed.) O B. For every cola consumed per week, the bone density decreases by g/ cm , on average. (Round to three decimal places as needed.) O C. For 0 colas consumed in a week, the bone density is predicted to be 9/cm. (Round to three decimal places as needed.) O D. For every unit increase in bone density, the number of colas decreases by , on average. (Round to three decimal places as needed.) O E. It is not appropriate to interpret the slope. (c) Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. For 0 colas consumed in a week, the bone density is predicted to be g/ cm (Round to three decimal places as needed.) B. For every cola consumed per week, the bone density decreases by g/ cm, on average. (Round to three decimal places as needed.) C. For every unit increase in bone density, the number of colas decreases by , on average. Round to three decimal places as needed.) O D. For a bone density of 0 g / cm, the number of colas consumed is predicted to be n (Round to three decimal places as needed.) O E. It is not appropriate to interpret the y-intercept. (d) Predict the bone mineral density of the femoral neck of a woman who consumes four colas per week. y = 9 / cm (Round to three decimal places as needed.) colas per week Bone Mineral Density (g/cm3) 0.907 0.874 0.885 0.855 0.866 0.847 0.847 0.834 0.813 0.796 0.792 0.791 0.746 0.756 0.753