Two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.
Mean number of deliveries Mean Absolute Deviation (MAD)
Driver A 10
2
Driver B 20
2
Which statement about the data is true?
A. The mean number of deliveries for driver A is less than the mean
for driver B by 2 MADs.
B. The MAD for driver A is less than the MAD for driver B.
C. On average, driver A delivers more pizzas in one day than driver B.
D. The mean number of deliveries for driver A is less than the mean
for driver B by 5 MADs.