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An experiment is planned to compare the strengths of three different asphalt mixtures for road surfaces....

An experiment is planned to compare the strengths of three different asphalt mixtures for road surfaces. A single batch is to be manufactured for each experimental mixture. Several asphalt specimens will be made from each of the mixtures and tested for tensile strength. a. Write a short critique of the proposed experiment. b. How could the experiment be improved?

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