Which of the following are true with respect to ...

[dakota nelson]

Which of the following are true with respect to representativeness?
 
  a. a sample represents a population's if it is exactly the same on all relevant variables
  b. a sample is representative if it approximates the population
  c. a sample needs to be representative of the population on all variables
  d. a representative sample is only obtained when a simple random sample is used

Question 2

Which of the following is not a concern about bias when selecting a sample?
 
  a. selecting a sample based upon convenience
  b. using probability statistics for drawing a sample
  c. drawing a sample on a first come, first serve basis
  d. the researcher's personal bias

[gstein359]

Answer to Question 1

b

Answer to Question 2

b

[dakota nelson]

Gracias!

[xthemafja]

Excellent