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YouTubeDr Nic's Maths and Stats
Sampling error and variation in statistics and data science
Statistical methods are necessary because of the existence of variation. Sampling error is one source of variation, and is often misunderstood.This video explains sampling error along with other sources of variation. 0:00 Introduction 0:55 Natural variation - example - student sending texts 1:53 Explainable variation - attributable to known ...
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