Which of the following is a good sampling technique?
A. |
B. |
C. |
D. |
A TV sports commentator asks his listeners to visit a website and vote on which professional basketball player deserves to be selected as MVP (most valuable player). What type of sampling is this?
A. |
B. |
C. |
D. |
Why are non-random samples like convenience and mall-intercept bad?
A. |
B. |
C. |
D. |