Understanding Cumulative Distribution
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.
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Understanding Probability Density Function
Understanding Bar Graph Confidence Intervals