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Output from two different processes by independently

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An engineer was comparing the output from two different processes by independently sampling each one. From process A she took a sample of n1 = 64, which yielded a sample mean of Y2 = 12.5. Process A has a known standard deviation, σ = 2.1. From process B she took a sample of n2 = 100, which yielded a sample mean of Y2 = 11.9. Process B has a known standard deviation of σ = 2.2. At α = 0.05 would the engineer conclude that both processes had the same average output?

Reference no: EM131853853

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