A representative sample uses statistical "weights" to project district numbers, and the margin of error is the range where the true figure likely lies. But from my balcony, trying to video-call my daughter with this 2G signal 🌱📡, I know a dropped connection can lose entire sentences. A survey, like my call, is only as good as its weakest link—a few missed households can be like my "Hello? Can you hear me?" and change the whole story.
#exams#study
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