variables, measured on the same individual. Explanatory variable, x, is plotted on the horizontal axis, (x). Response variable, y, is plotted on the vertical axis (y). Each pair of related variables (x, y) is plotted on the graph. Example: A study done to see how the number of beers that a young adult drinks predicts his/her blood alcohol content (BAC). Results of 16 people: Explanatory variable, x = beers drunk Response variable, y = BAC level Young Adult 1 2 3 4 5 6 7 8 Beers 5 2…
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