Which of the following describes selection bias? a. A leading ...

[viki]

Which of the following describes selection bias?
 a. A leading question is selected for inclusion in the survey.
  b. Some members of the target population are excluded from possible selection for the sample.
  c. A person selected for the sample has a biased opinion about the survey.
  d. All of these choices are true.

Question 2

To give away a door prize, the hostess of a Tupperware party put each person's name into a hat, mixed them up, and selected one name. What sampling method was used?
 a. Simple random sample
  b. Systematic sample
  c. Stratified random sample
  d. Cluster sample

[leahchrapun]

Answer to Question 1

B

Answer to Question 2

A

[viki]

Wow, this really help

[raenoj]

Gracias!