Determining an appropriate sample size is an important consideration in planning any survey or scientific study. In this video, we’ll consider how large of a sample is necessary in order to estimate a proportion within a desired margin of error.
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Notes on the video: Sample Size for Estimating a Proportion
A point to consider for this video:
This video refers to City of Toronto polls, carried out early in the term of Mayor Rob Ford, before some controversies overshadowed his term.