Since price tends to equal total utility, the price of water is low and the price of diamonds is high.

The World Bank's main concern about the East Asian development model is that

a. it hasn't really worked b. it has relied too much on exports c. it hasn't had the support of labor unions d. it isn't easily replicated where government institutions are weak e. all of the above

To determine the class interval

A) Divide the class frequencies in half. B) Divide the class frequency by the number of observations. C) Find the difference between consecutive lower class limits. D) Count the number of observations in the class