Which survey is biased?

a. going to the mall and asking people what their favorite color is.

b. going to the mall and asking people what their favorite place to shop is.

c. going to the mall and asking people what television channel they watch most.

d. going to the mall and asking people what radio station they listen to most often.

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.