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Sample Picture

Here is a new picture to look at.

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Training

Sample mean versus population mean

The conceptual and notational differences between a parameter for a population and a statistic calculated from a sample.

Khan Academy
Comparing and sampling populations
518
10:02

Reasonable samples

Khan Academy
Comparing and sampling populations
546
04:16

Comparing throws

Khan Academy
Comparing and sampling populations
543
05:45

Comparing swim times at the Olympics

Khan Academy
Comparing and sampling populations
556
03:59