Explanation 1
Use clear titles, labels, and units.
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Lesson 14 of 15
Detect nonzero origins, distorted aspect ratios, vague sources, 3D effects, and chart junk.
Theory
Detect nonzero origins, distorted aspect ratios, vague sources, 3D effects, and chart junk. This lesson treats charts as analytical tools. Students focus on the data question, variable type, source, scale, and audience before choosing or interpreting a display.
Explanation 1
Use clear titles, labels, and units.
Explanation 2
Keep source and scale choices visible.
Explanation 3
Interpret patterns cautiously and avoid decorative chart junk.
Interactive Mission
R connection
Run and edit the R code. Use the floating guide for line-by-line explanations and common beginner mistakes.
Live R Lab
Compare a misleading nonzero-axis chart with a fair zero-origin version and document design fixes.
Ready to run
Fair graph repair
A fair graph makes axis choices, labels, source notes, and uncertainty visible to the audience.
Reflection
Name the data question, the display, and one limitation.
Assistant
Coach me on Deceptive Graphs without giving direct quiz answers. Ask me to justify chart choice, scale, and interpretation.
Exit check
Try the hint button before submitting. Explanations appear after your answer is checked.
Checkpoint
Question 1 of 2. Answered 0/2. Passing score: 70%.