To test for the stopping distances of the four brake systems,10 of the same make and model of car are selected randomly and then are assigned randomly to each of four brake systems.This is a randomized complete block design.

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Quizplus · Accepted Answer

A randomized complete block design involves blocking to control for variability, but in this scenario, there is no mention of blocking; it is a completely randomized design.

To Test for the Stopping Distances of the Four Brake