Carla and her five girlfriends went shopping and spent $20, $12, $13, $8, $13, and $9, respectively, on cosmetics. The mode of their expenditures is
a. $9.
b. $11.
c. $12.
d. $13.
ANSWER: d
Psychology
a. $9.
b. $11.
c. $12.
d. $13.
ANSWER: d