Question: The response time in milliseconds was determined for three different types of circuits that could be used in an automatic valve shutoff mechanism. The results

The response time in milliseconds was determined for three different types of circuits that could be used in an automatic valve shutoff mechanism. The results from a completely randomized experiment are shown in the following table:

Circuit Type Response Time Total 1 9 12 10 8 15 54 2 20 21 23 17 30 111 3 6 5 8 16 7 42

1. Test the hypothesis that the three circuit types have the same response time. Use =0.05. 2. Construct a 95 percent confidence interval estimate on the response time of Circuit 1.

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