Same data, same marks, same channels throughout — only the arrangement changes.
Every button is one screenshot: the chart is redrawn by the same function with one parameter changed.
Q1 Part B — one key, three orderings (Screenshots 1–3)
Q1 Part C — two keys, two alignments (Screenshots 4–5)
Q2 Part A — build the matrix (Screenshot 6)
Q2 Part B — reorder the matrix (Screenshot 7)
Q3 Part A — the same data, bent into a circle (Screenshot 8)
Answer key for the ranking test — open only after you have written down your top five
Q3 Part B — parallel coordinates (Screenshots 9–10)