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Geometric Mean 496 Views
The geometric mean of two numbers is the square root of the product. Using proportions, you can set up ratios, cross multiply, and then simplify to get the answer. Easy as pie.
Statistics, Data, and Probability I: Drill Set 3, Problem 4
Statistics, Data, and Probability II Drill 3 Problem 2
Statistics, Data, and Probability II Drill 3 Problem 3
Botany + math = this video.