Mathematics

29 August, 09:32

Alana is a personal trainer at a gym and wants to track the weight loss of 10 clients over a 4-week period. She records the number of hours, x, they exercise each week and their weight loss, y, in pounds. She models the data with the function y = 3 + 0.5 x. To analyze the fit of the function, Alana creates the residual plot below.

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