The graph below shows the histogram for the number of parking spots per garage in downtown Vancouver. Q1) # of garages 8 T T 99 4 2 0 50 50 100 150 200 250 # of Parking/garage a) Which statistics would you use to identify the center and spread of this distribution? Why? (5 points) b) How many modes would you classify? Explain. (5 points) Q2) A team of veterinarians wants to compare the effectiveness of two fertility treatments for dairy cows. The two treatments are in-vitro fertilization and male fertility medications. (4 points) The explanatory variable is: The response variable is: