{"version":"1.0","type":"rich","title":"activity4_to","description":"A bubble chart visualizes the correlation between average horsepower, torque, and highway MPG across 31 car makes, with circle size encoding MPG and color distinguishing brands. The D3.js v7 code loads a CSV, applies linear scales to axes, and uses an ordinal color scale with interpolateTurbo for the legend. Interactive tooltips appear on mouseover, and hover events are managed through transition-based show, move, and hide functions under an SVG rendering.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/82a892a212314c56b8c29bbcdf210620?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}