1.The fundamental principle of probability sampling is that a sample selected by________ is very likely to be __________.

a.EPSEM, representative

b.stratification, large

c.telephone polls, cheap

d.clusters, stratified

2.The simple random sample requires

a.a defined population.

b.a complete list of all cases in the population.

c.a random selection process.

d.All of the above

3.Unlike the sample and population distributions, the sampling distribution is

a.empirical.

b.theoretical.

c.random.

d.EPSEM.