With reference to the Example 3 concerning improvements in the safety of an ignitor, the time to reach maximum pressure was also recorded. Two replicates were run of the factorial design and the times to reach maximum pressure recorded. Analyze the results of this experiment.

Data From Example 3

Analyze this experiment.

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Time (milliseconds) A B C Rep. I Rep. 2 Initiator 1 Powder Mc 1 54.02 49.64 Initiator 1 Pellet Mc 1 60.74 70.66 Initiator 1 Powder Mc 2 37.56 43.72 Initiator 1 Pellet Mc 2 46.40 42.04 Initiator 1 Powder Mc 3 40.54 41.60 Initiator 1 Pellet Mc 3 50.56 45.44 Initiator 1 Powder Mc 4 47.08 44.28 Initiator 1 Pellet Mc 4 47.68 60.22 Initiator 2 Powder Mc 1 47.00 58.74 Initiator 2 Pellet Mc 1 51.30 53.96 Initiator 2 Powder Mc 2 59.82 45.66 Initiator 2 Pellet Mc 2 52.20 57.82 Initiator 2 Powder Mc 3 68.46 59.86 Initiator 2 Pellet Mc 3 82.78 57.16 Initiator 2 Powder Mc 4 75.14 90.82 Initiator 2 Pellet Mc 4 82.38 75.38