$17$

Insert a Line with Markers Chart using the ranges A$3$:F$3$ and A$9$:F$9.$ Reposition the chart between cells A$13$ and G$27.$ Edit the Chart Title to Skier Attendance at Sun Valley. Edit the Vertical $($Value$)$ Axis to set the Minimum to $5000$ and then format the chart using Style $4.$ Change the width of the line to $4\mathrm{.}0$ pt$.$ and insert a Linear Trendline. Deselect the chart.