The purpose of sampling is to select a set of elements from a ...

[lunatika]

The purpose of sampling is to select a set of elements from a population in such a way that the descriptions of the sample statistics accurately portray the parameters of the population. This is best achieved through use of:
 
  a. a convenience sample
  b. random selection
  c. the sampling element
  d. stratified sampling

Question 2

A basic principle of probability sampling is that a sample will be representative of the population from which it is drawn if:
 
  a. all members of the population have an equal chance of being selected for the sample
  b. the researcher uses a method of selection based upon convenience
  c. every nth person is selected for the sample
  d. all are principles of probability sampling

[Jane]

Answer to Question 1

b

Answer to Question 2

a

[lunatika]

Great answer, keep it coming

[Viet Thy]

Thanks for the timely response, appreciate it