Mathematics, 08.07.2021 20:00 tabbic

A tire company wants to determine if tires made with a new type of tread will last longer than tires made with the original type of tread. The company has access to 20 different vehicles and wants to use a randomized block design for the experiment. Which of the following variables would be the best to block the experimental units? type of vehicle year of vehicle make of the vehicle color of the vehicle

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A tire company wants to determine if tires made with a new type of tread will last longer than tires...