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Week 4 Quiz :Data Visualization and Communication with Tableau (Excel to MySQL: Analytic Techniques for Business Specialization)Answers 2025

  1. Hourglass model – NOT part of it
    ✔ A complete description of all the analyses you tried
    ❌ Opening with agenda, ❌ 30–60 sec big picture, ❌ Statement of benefits

  2. Items NOT story elements
    ✔ Location
    ❌ Relevance, ❌ Conflict, ❌ Resolution, ❌ Characters

  3. Storyboarding process includes
    ✔ All of the above
    ❌ Asking feedback only, ❌ Determining order only, ❌ Choosing best visualizations only, ❌ Minimum scenes only

  4. Controversial recommendation – presentation order
    ✔ Least controversial point first
    ❌ Strongest, ❌ Least complicated, ❌ Most emotional

  5. Overgeneralization avoided by removing outliers/missing rows
    ✔ False
    ❌ True

  6. Advertising campaign logical fallacy
    ✔ All of the above (Overgeneralization, Inferring causation from correlation, Lack of controls)
    ❌ Individual fallacies only, ❌ None

  7. Correlation ≠ causation
    ✔ True
    ❌ False

  8. Assess correlation without tests
    ✔ Identify complementary analyses
    ✔ Assess additional variables
    ✔ Attempt to replicate in other datasets
    ❌ Infer effect is real because large

  9. Best chart to display smartphone sales over time
    ✔ Chart A
    ❌ Chart B, ❌ Both equally, ❌ Neither

  10. Best attributes for continuous variables (pick 2)
    ✔ Length, ✔ Position
    ❌ Volume, ❌ Color, ❌ Area

  11. Colorbars for continuous variable
    ✔ Use colorbar that color-blind people can perceive
    ❌ Bright colors, ❌ Gray scale black→white, ❌ One color to another

  12. Least effective changes to revise graph (pick 2)
    ✔ Take borders off bars
    ✔ Reduce data to only factors you care about
    ❌ Add text box, ❌ Gray out irrelevant bars

  13. Data-ink refers to
    ✔ Ink representing the actual data in a graphic
    ❌ Borders, ❌ All ink on slide, ❌ Ink color

  14. Apply rule of thirds (choose all)
    ✔ Transition slides, ✔ Slides illustrating stories, ✔ Soft break slides, ✔ Slides meant to catch audience attention
    ❌ Slides containing data

  15. Effective presentation techniques
    ✔ All of the above
    ❌ Only some techniques

  16. Hospital absenteeism – logical fallacy
    ✔ Inferring causation from correlation
    ❌ Lack of controls, ❌ Overgeneralization, ❌ None, ❌ All


Summary Table: Business Presentations & Visualization

Q# Topic Answer / Key Insight
1 Hourglass model – what NOT included Complete description of all analyses
2 Non-story elements Location
3 Storyboarding process All of the above
4 Controversial recommendations Least controversial point first
5 Avoiding overgeneralization False
6 Logical fallacy – ad campaign All of the above
7 Correlation vs causation True
8 Assess correlation without tests Complementary analyses, extra variables, replicate effect
9 Best chart over time Chart A
10 Best attributes for continuous variables Length, Position
11 Colorbars – accessibility Color-blind perceivable
12 Least effective graph revisions Borders off, reduce data
13 Data-ink Represents actual data
14 Rule of thirds Transition, story, soft break, attention slides
15 Presentation techniques All of the above
16 Hospital absenteeism fallacy Inferring causation from correlation