So what you would do here is fill in one box for every given number. For example, 65 appears twice, so you would fill in two boxes on the line plot.
Fill in two boxes above 65
Fill in two boxes above 70
Fill in zero boxes above 75
Fill in four boxes above 80
Fill in one box above 85
Fill in zero boxes above 90
Fill in three boxes above 95
Fill in one box bove 100.