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Mathematics 9 Online
OpenStudy (anonymous):

A researcher wishes to design a fully blocked experiment with groups of subjects representing every possible combination of 1 explanatory variable (control vs. treatment) and 4 other variables (male vs. female, old vs. young, healthy vs. ill, and normal weight vs. overweight) for a total of 5 variables. How many blocks will there be in her experiment?

OpenStudy (anonymous):

2^5=32

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