This scatter plot visualizes the relationship between horsepower and weight for cars from the UCI Machine Learning Repository’s auto-mpg dataset. Each semi-transparent red circle represents a car, positioned by its weight on the x-axis and horsepower on the y-axis. Built with D3 v5, the visualization uses `d3.scaleLinear` for both axes, `d3.axisBottom` and `d3.axisLeft` for gridlines and ticks, and renders SVG circles. The chart includes labeled axes, a title, and utilizes a margin-based layout within a fixed 960×500 SVG canvas.