Mathematics, 14.10.2021 02:30 Aethis

Before polling the students in Scion School of Business, a researcher divides all the current students into groups based on their class standing, such as freshman, sophomore, and so on. Then, she randomly draws a sample of 50 students from each of these groups to create a representative sample of the entire body in the school. Required:
What is the sampling method the researcher is practicing?

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Before polling the students in Scion School of Business, a researcher divides all the current studen...