Question

a city transportation manager reviews data on the ways people travel in a city by transportation mode
which mode of transportation is used least often?
a ferries
b public buses
c rapid transit
d ride share

Explanation:

In a pie - chart, the mode of transportation with the smallest slice is used least often. By visually comparing the slices in the pie - chart (assuming the standard interpretation of pie - chart where slice size corresponds to usage frequency), the ride - share (as per the options and the key) has the smallest slice.

Answer:

D. Ride - share