Eight car dealerships reported the number of cars they sold last month.

Car Dealership
Number of Cars Sold
GMC
84
Chevrolet
81
Nissan
92
Toyota
92
Ford
95
Honda
94
Hyundai
80
Acura
72

What is the upper and lower quartile of this set of data?
a.)lower quartile: 80.5
upper quartile: 93
b.)lower quartile: 88
upper quartile: 93
c.)lower quartile: 80.5
upper quartile: 88
d.)lower quartile: 72
upper quartile: 95