Consider the following estimates from the early 2020s 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. Carefully follow the instructions​ above, and only draw the required objects. Which country has the most nearly equal income​ distribution? ▼ Bolivia Uruguay Chile .

Which of the following best describes how the federal reserve bank banks during a bank run? a. the federal reserve bank regulates exchanges to prevent the demand for withdrawals from rising above the required reserve ratio. b. the federal reserve bank acts as an insurance company that pays customers if their bank fails. c. the federal reserve bank has the power to take over a private bank if customers demand too many withdrawals. d. the federal reserve bank can provide a short-term loan to banks to prevent them from running out of money. 2b2t

Demand increases by less than supply increases. as a result, (a) equilibrium price will decline and equilibrium quantity will rise. (b) both equilibrium price and quantity will decline. (c) both equilibrium price and quantity will rise

Reliability and validity reliability and validity are two important considerations that must be made with any type of data collection. reliability refers to the ability to consistently produce a given result. in the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways. unfortunately, being consistent in measurement does not necessarily mean that you have measured something correctly. to illustrate this concept, consider a kitchen scale that would be used to measure the weight of cereal that you eat in the morning. if the scale is not properly calibrated, it may consistently under- or overestimate the amount of cereal that’s being measured. while the scale is highly reliable in producing consistent results (e.g., the same amount of cereal poured onto the scale produces the same reading each time), those results are incorrect. this is where validity comes into play. validity refers to the extent to which a given instrument or tool accurately measures what it’s supposed to measure. while any valid measure is by necessity reliable, the reverse is not necessarily true. researchers strive to use instruments that are both highly reliable and valid.