A police officer believes red cars speed more often than any other color car. During his 25 shifts this month, he records the number of speeding tickets he writes to red and non-red cars. 1) Determine whether the following statement is true or false.
The police officer is conducting an experiment.
A. True
B. False
2. All of the following variables could be confounding variables except for which one?
a. time of day.
b. color of car.
c. location.
d. the police officer.