This bar chart visualizes the total marks achieved by individual students, with each bar representing a student’s score. The chart uses an interactive tooltip that appears on hover, changing the bar’s color to orange and displaying the student’s ID and marks. Built with D3.js v6 and rendered as SVG, the visualization loads data from a CSV file and employs `d3.scaleBand` and `d3.scaleLinear` for axes. The chart includes rotated x-axis labels for student IDs, axis titles, and a descriptive title, all styled with basic CSS for clarity.