The following shows the number of cars sold at five dealerships each month over the last year. Identify the pattern In variances between the four dealershlps.
A: 50, 35, 40, 50, 55, 40, 50, 60, 55, 45, 40, 35
B: 30, 45, 50, 60, 55, 35, 40, 55, 35, 60, 45, 40
C: 50, 35, 45, 40, 45, 40, 50, 55, 60, 50, 35, 30
D: 30, 25, 35, 40, 35, 50, 50, 55, 40, 35, 35, 40
Dealerships A and C have similar variances.
Dealerships C and D have similar variances.
Dealerships A, C, and D have similar variances.
All dealerships have similar variances.