Banana meal diet for fish. Refer to the Aquaculture Reports (Vol. 17, 2020) study of a new banana meal diet for fish native to tropical South America, Exercise 11.20 (p. 658) Consider, again, the simple linear regression model relating the weight gain (y, grams) of a juvenile tropical fish and the amount of whole banana meal (x, percentage) in the fish’s diet. The coefficient of determination was r2 = .81. Interpret this result practically.