Common questions about WPS Scatter Chart usually focus on use cases, data format, and chart interpretation; this FAQ includes 3 common questions and a glossary.
FAQ
What kinds of scenarios are scatter charts suitable for?
- Use a scatter chart when you need to analyze the relationship between two variables.
- Common examples include ad spend versus sales, height versus weight distribution, and experiment data analysis.
- When the dataset is large, a scatter chart makes it easier to observe clusters, dispersion, and outliers.
What data format does a scatter chart need?
- Prepare two or more numeric data columns.
- In most cases, one column is used for the X-axis and another for the Y-axis.
- Try to avoid mixing non-numeric content into key data columns, because that can affect the chart result.
Why is a scatter chart better than a plain table for spotting correlation?
- A scatter chart maps each data pair to a point on a coordinate plane.
- The direction, density, and deviation of the points make variable relationships easier to review.
- When the points begin to form a visible pattern, it becomes easier to judge positive correlation, negative correlation, or outliers.
Glossary
| Term | Definition |
|---|---|
| Scatter chart | A chart type that uses points to show the relationship between two sets of numeric values and helps reveal distribution and correlation. |
| X-axis | The horizontal value axis in a scatter chart, often used for the independent or reference variable. |
| Y-axis | The vertical value axis in a scatter chart, often used for the result or observed variable. |
| Subtype | A variation within the same chart type, such as a scatter chart with smooth lines or straight lines. |
| Outlier | A data point that falls noticeably outside the main distribution range of most other points. |