Central limit theorem Certain sucros are available for demonstrating the importance of the central limit theorem. This theorem says that - under very general conditions - the sum of independent random variables tends to the normal distribution when the number of summands grows. Demonstration programs: /DISTRSUM (In English) /SATSUMMA (In Finnish) Se also: 1 = TRANSFORM <data> BY DISTR(P) (|EXAMPLE| in Finnish) D = Probability distributions