which of the following is a characteristic of a linear model what is body weight and what is it affected by why not include body weight for correlations can body weight be used as a predictor of running speed why not include body weight? why not include body weight in a linear model why is the body weight an important co-variate? is body weight included in a variable why is body weight an additive should you include body weight as a covariate should body weight be included in a prediction when is body weight a covariate can you include body weight as a covariate should you include body weight as covariate should body weight be included as a covariate why not include body weight interaction why is body weight included in a covariate equation does body weight affect running speed what is the difference between body weight and sex in a linear model should body weight be included as a covariate of a linear model?