The average usage time of 13 batteries selected from among the batteries produced in a factory has been calculated as 78
Posted: Sun Oct 03, 2021 3:49 pm
The average usage time of 13 batteries selected from among the
batteries produced in a factory has been calculated as 78, and the
standard deviation of the usage times as 4.3 hours. Test this claim
at the 0.05 significance level.
batteries produced in a factory has been calculated as 78, and the
standard deviation of the usage times as 4.3 hours. Test this claim
at the 0.05 significance level.