The following table presents measurements of the tensile strength (in kilopascals) of asphalt-rubber concrete beams for three
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The following table presents measurements of the tensile strength (in kilopascals) of asphalt-rubber concrete beams for three levels of binder content and three levels of rubber content.
a. Can you reject the hypothesis of no interactions? Explain.
b. Can the main effect of the binder content be interpreted? If so, interpret the main effect. Use the α = 0.05 level of significance.
c. Can the main effect of the rubber content be interpreted? If so, interpret the main effect. Use the α = 0.05 level of significance.
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