MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
When you select a sample of people to study, your goal is to pick a sample that is random. Ideally, each group would have equal likelihood of being selected. You want to choose a group that has minimal bias. The better the sample selection, the closer the statistic will be to the true population parameter.
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