Edward is conducting a surveyof attitudes about the Head Start program. He wants to make sure he has members of all important subgroups of the American population in his sample. What samplingtechnique should he use?
A. Simple random sampling
B. Stratified random sampling
C. Quota sampling
D. Snowball sampling
Answer:B
Edward is conducting a surveyof attitudes about the Head Start program. He wants to make sure he has members of all important subgroups of the American population in his sample. What samplingtechnique should he use?
A. Simple random sampling B. Stratified random sampling C. Quota sampling D. Snowball sampling