Question

for a class assignment, alan wanted to study whether or not the color of a person’s car correlates with the color of his or her hair. he spent an hour at a stoplight recording the color of each car that passed and the hair color of its driver. how many total drivers were recorded?

Explanation:

Step1: List all recorded driver counts

The counts are 2, 8, 5, 4.

Step2: Sum all the counts

$\text{Total} = 2 + 8 + 5 + 4$

Answer:

19