Understanding Cumulative Distribution

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**Description**: Describes Cumulative Distribution in Vista results reports

For Number Box questions, a Cumulative Distribution graph will be shown as part of the analysis. The graph shows the cumulative probabilities for answers to the questions. Here is an example of a Cumulative Distribution graph.

In the graph above we can see that approximately 20% of respondents entered a value less than or equal to 90, approximately 50% of respondents entered a value less than or equal to 100, and approximately 85% entered a value less than or equal to 110.

**See also:**

View Survey Results

Understanding Probability Density Function

Understanding Bar Graph Confidence Intervals