Two processes in a manufacturing line are performed manually operation
Two processes in a manufacturing line are performed manually: operation A and operation B.A random sample of 50 different assemblies using operation A shows that the sample average time per assembly is 8.05 minutes, with a population standard deviation of 1.36 minutes. A random sample of 38 different assemblies using operation B shows that the sample average time per assembly is 7.26 minutes, with a population standard deviation of 1.06 minutes. For α = .10,is there enough evidence in these samples to declare that operation A takes significantly longer to perform than operation B?

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