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To find the predicted weight of a basketball player who is 84 inches tall, we first need to find the equation of the line of best fit for the given data points (height and weight).
Using a graphing calculator or statistical software, we can find that the equation of the line of best fit is:
Weight = 3.58*Height - 108.73
Plugging in 84 inches for height:
Weight = 3.58*84 - 108.73
Weight = 300.52
Therefore, we would expect a basketball player who is 84 inches tall to weigh around 300.52 pounds. This is closest to option 298.4 lb.