Stat Tools

Empirical CDF

Analyse PhaseGB

Plot the empirical cumulative distribution function for one or more groups. Useful for comparing distributions, reading percentiles, and estimating the proportion of data outside specification limits.

12 values

12 values

Add Group

Empirical Cumulative Distribution Function
9.610.411.21212.8Value0%25%50%75%100%Cumulative %

Read the y-axis to find what % of data falls below any x value. At the spec limit, the CDF value = proportion of data in spec.

Key Percentiles
PercentileProcess AProcess B
P511.400010.1000
P1011.600010.2000
P2511.700010.3000
P5012.000010.5000
P7512.300010.8000
P9012.500010.9000
P9512.800011.0000
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