Exercise #6

You want to test an hypothesis using a sample mean. You draw a random sample of participants, administer your test, and calculate the sample mean. Any differences between your sample mean and the known population could represent either _______ or ________.

 

 

sampling error; a true difference between your sample and the population.
a problem with measurement; sampling error.
sampling error; too small a sample size.
a true difference between your sample and the population; the wrong sampling distribution.