Multiple Choice
The two main reasons for using stratified sampling are to __________ and to __________.
A) decrease the margin of error; increase the number of cases in particular subgroups
B) decrease sampling costs; decrease the margin of error
C) analyze the effects of the stratified variable; increase the number of cases in particular subgroups
D) decrease sampling costs; analyze the effects of the stratified variable
Correct Answer:
Verified
Correct Answer:
Verified
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