Weston completed a hypothesis test and found that he could not reject the null hypothesis. which of the following is a valid reason for his conclusion?

a. the z-statistic is less than 0.

b. the z-statistic lies in the critical region.

c. the z-statistic is greater than 0.

d. the z-statistic lies outside the critical region.

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.