A medical researcher is studying the effect of lidocaine on the enzyme level in the heart muscle of beagle dogs. Three different commercial brands of lidocaine (A), three dosage levels (B), and three dogs (C) are used in the experiment, and two replicates of a 33 factorial design are run. The observed enzyme levels follow. Analyze the data from this experiment.

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Replicate I Replicate II Dog Dog Lidocaine Dosage Strength Brand 1 2 3 1 3 1 96 84 85 84 85 86 1 2 94 99 98 95 97 90 3 101 106 98 105 104 103 1 85 84 86 80 82 84 2 2 95 98 97 93 99 95 3 108 114 109 110 102 100 1 84 83 81 83 80 79 2 95 97 93 92 96 93 3 105 100 106 102 111 108 3.