An experimenter randomly selects n =16 batteries from a
Chapter 8, Problem 8.2.21(choose chapter or problem)
An experimenter randomly selects n =16 batteries from a production line and measures their voltages. An average x =239.13 is obtained, with a sample standard deviation s =2.80.Doesthisexperimentprovidesufcientevidence for the experimenter to conclude that the average voltage of the batteries from the production line is at least 238.5?
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