Câu 9: PCED-30-02: PCED - Certified Entry-Level Data Analyst with Python

You are creating a presentation slide to communicate findings about student stress levels across four categories over a six-month period. You include the following line graph in your presentation: Your goal is to help your audience clearly understand trends in stress levels over time. What is the highest problem with this visual presentation? Select the best answer.

1. A. The graph doesn't explain what each stress level means or show exact values for each month, which limits interpretation.
2. B. The lines are too light and similar in color, making it difficult to distinguish between trends. — đáp án hiện tại
3. C. The font used in the chart is hard to read; using larger, uppercase text would improve clarity.
4. D. The chart should be in 3D format to show depth and highlight differences more clearly.
5. E. The months should be replaced with week numbers to provide more detailed insight.