fQuestion 6 2.5 pts For a certain make of batteries, the battery life is 130 hours with a standard deviation of 13 hours. A sample
\fQuestion 6 2.5 pts For a certain make of batteries, the battery life is 130 hours with a standard deviation of 13 hours. A sample of 100 batteries has been selected and tested. The standard error of the mean is equal to O 0.13 O 1.2 O 1.3 6.0 None of the above.
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