Question

an art instructor kept track of how many pictures his students painted. painting pictures how many people painted exactly 1 picture? people

Explanation:

Step1: Locate "1" on the axis

Find the column above the "1" label on the horizontal axis.

Step2: Count the "x" marks

Count the number of purple x's in this column: $1,2,3,4,5,6,7,8$

Answer:

8 people