Robert Summers and Alan Heston published data for 130 countries that used purchasing power parity, rather than market exchange rates, to compare GDP across countries. As a result, measured per capita incomes of developing countries rose relative to per capita incomes in developed countries. This is most likely because:

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:

Juan's investment portfolio was valued at $125,640 at the beginning of the year. during the year, juan received $603 in interest income and $298 in dividend income. juan also sold shares of stock and realized $1,459 in capital gains. juan's portfolio is valued at $142,608 at the end of the year. all income and realized gains were reinvested. no funds were contributed or withdrawn during the year. what is the amount of income juan must declare this year for income tax purposes?

Which motion below could be made so that the chair would be called on to enforce a violated rule?