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"The value of r? is the proportion of the variation in y that is explained by the linear relationship between x and y." You must replace x and y from the content of the question accordingly. 1) The table shows the height of a young tree from 1995 to 2001. Years since 1995 Height (feet) 6.4 11.6 12.9 2) A BMI of 30 or greater can create an increased risk of developing medical problems associated with obesity. The table shows the height and weight for individuals who have a BMI of 30. Height (in) S Weight (lbs) 160 180 190 220 230 3) The table shows the weight loss of a person over a time. Weeks Weight (Ibs) 219 214 216 205 199