Question: Imagine that you have data on two different production processes. You have 41 observations from process A with a sample mean of 80 and a

Imagine that you have data on two different production processes. You have 41 observations from process A with a sample mean of 80 and a variance of 239. You have 40 observations from process B with a sample mean of 73 and a variance of 136. Test the hypothesis that the true population mean of process A is different than process B.

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