The output below is from the regression analysis linking monthly changes in weight (y weight change in ounces) to daily exercise (x₁ minutes of strenuous daily exercise) and daily fat calorie intake (x₂ number of fat calories consumed daily). The sample consisted of 28 men in the 25 to 35 year age group. Compute the value for the adjusted r² and explain what it represents.

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Regression Statistics Multiple R R Square Adjusted R Square Standard Eror Observations 0.562 0.316 8.795 28 ANOVA df Regression Error (Residual) Total 893.07 1933.64 2826.71 25 27