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Dr. Alia is interested in learning whether students at Harvard University will support hybrid learning model for studying their courses. There are 10,000 undergraduate and 3,000 graduate students at Harvard University. If Dr. Alia wants to ensure that she has an equal number of undergraduate and graduate students in her sample, what type of sampling method should she use?

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buchinnamani208

Answer:

stratified random sampling method

Explanation:

Stratified sampling method is a sampling method whereby the population is divided into various groups or strata and each is seen as a subpopulation which is sampled independently. In other words each stratum or subpopulation is homogeneous or mutually exclusive and aids the researcher in easily sampling and reducing errors by touching on all facets of the population. This is seen in the above example where the researcher must divide his population into different sampling groups to aid equality such as in meeting up with all graduates and undergraduates opinions in his study

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