Activity 6 Question 4
✓ Published0🌍 Public
This bubble chart visualizes airline ticket sales data from a CSV, plotting the number of routes on the x-axis against average ticket price on the y-axis. Each circle’s area encodes passenger volume, while color distinguishes airlines, with a legend and interactive tooltips showing exact values. The visualization uses D3 v7’s `scaleLinear`, `scaleSqrt`, and `scaleOrdinal` APIs to map data dimensions to visual encodings, rendered as SVG circles. Animated tooltips appear on hover, and the chart includes labeled axes and a title, all built with D3’s selection and layout methods.
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