If a sample is not representative of the population, then _____. ...

[luvbio]

If a sample is not representative of the population, then _____.
 
  a. respondents will probably not answer the survey questions
  b. the results cannot be generalized to the population
  c. any causes that could have been identified by the study will remain hidden.
  d. a case study should be used to determine cause-effect relationships instead

Question 2

In order to estimate the attention level of college undergraduates in the United States, a psychologist measures the attention span of the undergraduates at a local university. The undergraduates at the local university are a _________.
 
  a. parameter c. sample
  b. population d. statistic

[jomama]

Answer to Question 1

B
A sample must be representative of the population or else the results gained from the sample cannot be generalized to the population.

Answer to Question 2

C

[luvbio]

Excellent

[Jsherida]

Wow, this really help