{"version":"1.0","type":"rich","title":"Activity6_Task 4","description":"This bubble chart visualizes the correlation between average horsepower, torque, and highway MPG across 31 car makes. Each circle is positioned by horsepower (x-axis) and torque (y-axis), with its size scaled to highway MPG and color representing the manufacturer. The example demonstrates D3 v7 data loading via `d3.csv`, linear scales for axes, ordinal color scaling, and interactive tooltips on mouseover. It uses SVG rendering with `join` for data binding and includes a dual legend for bubble size and categorical colors.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/6689d0d2be684e7cbcd3a35205e9402d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}