A random sample of 25 components is obtained, and their
Chapter 8, Problem 8.2.24(choose chapter or problem)
A random sample of 25 components is obtained, and their weights are measured. The sample mean is 71.97 g and the sample standard deviation is 7.44 g. Conduct a hypothesis test to assess whether there is sufcient evidence to establish that the components have an average weight larger than 70 g.
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