Answer
$Mean=10178.9~dollars$
$Median=9980~dollars$
Work Step by Step
In ascendind order: 5500, 7200, 7889, 8998, 9980, 10995, 12999, 13999, 14050
$Mean=\frac{5500+7200+7889+8998+9980+10995+12999+13999+14050}{9}=10178.9$
There are nine observations. So, the median is the fifth observation in ascending order.
$Median=9980$
