The calculation of the mean shows that Jamie should not lose her job as she was faster after the talk from the boss.
<h3>How to calculate the mean?</h3>
The mean of the travel time in the first scenario will be:
= (18, 20, 22, 27, 16, 23, 25,26, 19, 28)/10
= 224/10
= 22.4
She she shows consistency, the mean will be:
= (22, 20, 22, 24, 24, 23, 25, 21, 19, 21)/10
= 221/10
= 22.1
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