An environmental group wants to use a survey to determine the extent to which its members would be willing to protest a recent decision of the governor of a particular state. Which of the following procedures would be most appropriate for obtaining a statistically unbiased sample?
?
A. Survey a selection of people whose names are randomly chosen from the telephone directory.
B. Have sign-ups for workers to gather signatures at local malls throughout the state.
C. Survey members attending the annual convention of the environmental group.
D. Survey a selection of people whose names are randomly chosen from a list of members of the environmental group.
What will be an ideal response?
Answer: D
Mathematics
You might also like to view...
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Use the preference table to answer the question.The preference table shows the results of an election among three candidates, A, B, and C. 
(a) Using the plurality method, who is the winner?(b) Is the majority criterion satisfied?
A. B; yes B. A; yes C. C; yes D. A; no
Mathematics
Solve the equation.(x + 5)2/3 + 4(x + 5)1/3 + 3 = 0
A. {32, -6} B. ? C. {-1, 1} D. {-32, -6}
Mathematics
Solve the system by elimination. 6x + 45 = 9y-2x - 3y = -27
A. {(2, 8)} B. ? C. {(3, 7)} D. {(3, 8)}
Mathematics