{"version":"1.0","type":"rich","title":"Activity 7 - Bubble chart","description":"This bubble chart visualizes the correlation between average horsepower, torque, and highway MPG for various car makes, with each bubble sized by MPG and colored by make. It uses D3 v7 to load CSV data, create SVG scales for position, size, and color, and render circles. Hovering shows a tooltip with the car make. The chart includes legends for both MPG size and make color.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/548c4a42b6ac4eb4a52bb88eac2d595e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}