Week 4 Quiz :Data Visualization and Communication with Tableau (Excel to MySQL: Analytic Techniques for Business Specialization)Answers 2025
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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 -
Items NOT story elements
✔ Location
❌ Relevance, ❌ Conflict, ❌ Resolution, ❌ Characters -
Storyboarding process includes
✔ All of the above
❌ Asking feedback only, ❌ Determining order only, ❌ Choosing best visualizations only, ❌ Minimum scenes only -
Controversial recommendation – presentation order
✔ Least controversial point first
❌ Strongest, ❌ Least complicated, ❌ Most emotional -
Overgeneralization avoided by removing outliers/missing rows
✔ False
❌ True -
Advertising campaign logical fallacy
✔ All of the above (Overgeneralization, Inferring causation from correlation, Lack of controls)
❌ Individual fallacies only, ❌ None -
Correlation ≠ causation
✔ True
❌ False -
Assess correlation without tests
✔ Identify complementary analyses
✔ Assess additional variables
✔ Attempt to replicate in other datasets
❌ Infer effect is real because large -
Best chart to display smartphone sales over time
✔ Chart A
❌ Chart B, ❌ Both equally, ❌ Neither -
Best attributes for continuous variables (pick 2)
✔ Length, ✔ Position
❌ Volume, ❌ Color, ❌ Area -
Colorbars for continuous variable
✔ Use colorbar that color-blind people can perceive
❌ Bright colors, ❌ Gray scale black→white, ❌ One color to another -
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 -
Data-ink refers to
✔ Ink representing the actual data in a graphic
❌ Borders, ❌ All ink on slide, ❌ Ink color -
Apply rule of thirds (choose all)
✔ Transition slides, ✔ Slides illustrating stories, ✔ Soft break slides, ✔ Slides meant to catch audience attention
❌ Slides containing data -
Effective presentation techniques
✔ All of the above
❌ Only some techniques -
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 |