If a researcher has a population of college students from which a sample has been drawn and concludes that on average there are higher grades achieved by those students who live on campus than those who commute, higher grades is an example of what?
a. a sample element
b. a population parameter
c. a sample statistic
d. an unreliable result
Question 2
Which of the following is not a probability sample characteristic?
a. probability samples are never perfectly representative
b. probability samples are usually more representative than other sampling techniques
c. probability sampling lets us estimate the accuracy of the sample
d. probability sampling is always representative of the population.
World human population growth through history illustrates an exponential growth pattern.
Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Students working in a group
Population Indicators
Population and Settlement
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...