Line Plots Worksheets - Math Worksheets Center Set up horizontal axis for this set of data. 2. The lowest is 14 (minimum value) and 16 is the highest (maximum value). 3. Display this segment of a number line along horizontal axis. 4. Place an x above its corresponding value on horizontal axis. 5. Complete the line plot, place an x over 14, another over 14, then 15 and so forth until there ...