"Crude" rates: a) are almost always expressed as percentages.

b) are usually based on sub-populations.

c) are based on units in a total population.

d) can give a great deal of detailed information if the numbers upon which they based are accurate.​

"it is true that we are called a democracy, for the administration is in the hands of the many and not the few." pericles athenian statesman, 5th century b.c.e. what kind of democracy is pericles referring to? - pericles athenian statesman, 5th century b.c.e. a.representative democracy b.parliamentary democracy c.direct democracy d.presidential democracy