sana20
14.04.2020 •
Social Studies
Dr. Luxley wanted to make sure his research sample was representative of the local rural community with approximately 65% females and 35% males. He wanted to make sure his sample had similar demographics so he used:
A)stratified random sampling.
B)random sampling.
C)convenience sampling.
D)area probability sampling.
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Ответ:
Stratified random sampling
Explanation:
Stratified random sampling is the sampling in which the population can be divided into the substrata. This strategy is very advantageous to all populations.The stratified sampling is the sampling that divided the population in homogeneous group before the sampling.
There are different strategies in stratified sampling such as:
Proportionate allocateThe optimum allocationОтвет:
1. West, Midwest, Southwest, Northeast, Southeast 2. False in most cases although some states could be seen in a different region depending on the map. 3. Midwest 4. Northeast 5. Northeast and Midwest 6. West 7. Southwest and Southeast 8. West 9. West, Midwest, Northeast 10. Southeast and Midwest 11. Southeast 12. United States
Explanation: