2. Pony Express Delivery is a regional, overnight, freight service. It operates between Missouri and California. Customers can leave their parcels for shipping at Pony Express drop-off boxes/bins. Unfortunately, the boxes and bins are often the target of vandals. The losses range from cleaning up graffiti ($100) to having to replace a destroyed bin/box ($3,000). The recorded losses last year were: 10 NUMBER OF LOSSES: LOSS SIZE ($): 5 $500 3 $800 $100 $1,500 1 $3,000 a. What were the mean (average) and median dollar losses last year? (1.5 points) (note: use (n-1) in b. What is the standard deviation of these historical losses? the denominator when calculating the variance) (2 points)