A researcher collects data for relationship between daily exercise an individual gets and the body fat % of individual. The researcher thanks that exercise decreases % body fat. The following scores are recorded. The regression equation for this data with the exercise as predictor and percent body fat as outcome is Y = -0.476 x + 33.272 Individual 1 2 3 4 5 Exercise (mins) 10 18 26 33 44 % body fat 30 25 18 17 14 Conduct Null hypothesis significance test to determine whether exercise is correlated with percent body fat. Remember to describe relationship between these variables. Calculate and interpret the coefficient of determination for this data. If a person exercises for 20 mins daily what would his or her predicted body fat% be?
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