Question

a random sample of students was surveyed and asked to list their grade level and what movie genre they prefer. results are shown in the table below.
movie genre
\tsuperhero\tcomedy\tdrama
6th grade\t17\t10\t7
7th grade\t13\t18\t13
8th grade\t15\t12\t20
how many 8th graders prefer comedies?

Explanation:

Step1: Locate the row and column

Find the row for 8th grade and the column for Comedy.

Step2: Read the value

The value at the intersection of 8th - grade row and Comedy column is 12.

Answer:

12