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
Q13: Which of the following describes a sampling
Q14: A researcher draws a random sample of
Q15: Knowledge of the sampling distribution of a
Q16: To calculate the margin of error of
Q17: Knowledge of the sampling distribution of a
Q19: A stratified random sample reduces error when
A)
Q20: In a disproportionate stratified sample,
A) a different
Q21: A multistage cluster sample would be most
Q22: Multistage cluster sampling
A) is a means of
Q23: Which type of sampling design uses probability
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