A random variable is one whose value is unknown or a function that assigns values to each of an experiment’s outcomes. A random variable can be discrete or continuous.

A representative sample parallels key variables and characteristics of the larger society under examination. Some examples include sex, age, education level, socioeconomic status (SES), or marital ...

Normal, or Gaussian, distribution describes a pattern where values in your defined range occur more frequently around a center point, or mean. Using the sales projection example, you observe that ...

Yves Derriennic, Andrzej Kłopotowski, On Bernstein's Example of Three Pairwise Independent Random Variables, Sankhyā: The Indian Journal of Statistics, Series A (1961-2002), Vol. 62, No. 3, Ergodic ...