Cumulative distribution adds each group to those below it. For example, cumulative distribution can show how many people in a group are below the age of 20, compared to the number below age 40.

The corresponding cumulative distribution function question is, "What's the probability you'll be shorter than 5'4"?" The figure above showed two normal distributions . You can now see these are ...

title 'Cumulative Distribution Function of Breaking Strength'; legend1 frame cframe=ligr cborder=black position=center; proc capability data=cord noprint; spec lsl=6.8 llsl=2 clsl=black; cdf strength ...