An experiment was conducted to increase the adhesiveness of rubber products. Sixteen products were made with the new additive and another 16 without the new additive. The observed adhesiveness is recorded below. Perform an analysis of variance to test for significant main and interactioneffects.

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Temperature (°C) 50 60 70 80 2.3 3.4 3.8 3.9 Without Additives 2.9 3.7 3.9 3.2 3.0 3.2 3.2 3.8 2.7 3.1 3.6 4.1 4.3 3.8 3.9 3.9 3.9 3.5 3.6 With Additives 3.8 4.0 3.9 3.7 3.8 4.2 3.5 3.6 3.9