散布図とは、縦軸・横軸に2項目の量や大きさなどを対応させ、データを点でプロットしたものです。2つのデータの相関性を考える場合は、散布図が有効です。
Scatter plot
A scatter diagram is a plot of data as points, with the quantities and sizes of two items corresponding to the vertical and horizontal axes. A scatter plot is effective when considering the correlation between two pieces of data.