{"version":"1.0","type":"rich","title":"Activity6_4","description":"A D3.js bubble chart correlates average torque, horsepower, and highway MPG for 31 car makes. Each bubble's position encodes horsepower (x-axis) and torque (y-axis), while its radius scales with MPG and its color distinguishes the brand. The visualization includes interactive tooltips showing the make on hover, a legend for MPG sizes, and a categorical color legend, all rendered as SVG with d3.scaleLinear and d3.scaleOrdinal.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/791cb251b5e645ff88dbc14615a6e8cc?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}