{"version":"1.0","type":"rich","title":"question 1(Task 2)","description":"This example shows the proportion of smartphone app usage across six age groups using a horizontal stacked bar chart. The bars are divided into segments for social media, games, productivity, streaming, and other apps, with a color-coded legend for identification. The chart uses `d3.stack` to compute the stacked bar coordinates and `d3.scaleBand` for the age-group axis. It reads data from the CSV file `phones.csv` and renders the chart as an SVG element. Color assignments are made with `d3.scaleOrdinal`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/66c8d5da0b7f41a5b270ac85930750b6?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}