Reality TV and cosmetic surgery. Refer to the Body Image: An International Journal of Research (Mar.

2010) study of the influence of reality TV shows on one’s desire to undergo cosmetic surgery, Exercise 12.25 (p. 700). In Exercise 12.25, you fit the first-order model, E1y2 = b0 + b1x1 + b2x2 + b3x3 + b4x4, where y = desire to have cosmetic surgery, x1 is a dummy variable for gender, x2 = level of self-esteem, x3 = level of body satisfaction, and x4 = impression of reality TV. Conduct a complete residual analysis for the model. Do you detect any violations of the assumptions?