As with all probability distributions, the Normal Distribution describes how the values of your data are distributed.

This applet allows users to drag sliders to change the number of bins (n) on a Galton board with probability of success p = 0.5. The applet animates the creation of a binomial distribution. This ...

Using the normal approximation to the binomial distribution, PROC FREQ constructs asymptotic confidence limits for the risks and risk differences according to PROC FREQ computes exact confidence ...