Central Limit Theorem

Distribution of sample means approaches a normal probability distribution as sample size increases, regardless of the shape of the population from which items are sampled. A sample size of 30 is often regarded as sufficient to employ the central limit theorem

Identity Matrix

is the matrix I for which the equation holds I*X = X, no matter what value X takes

Reductionist Thinking

Nature can be first disassembled and then again re-assembled into its initial state - like a watch can be

last modified:01/01/31