An introductory statistics study guide including definitions of terms and types of variables and scales.

Terms defined and/or explained: randomness, independence, continuous, discrete, and ranked variables, attributes, derived and transformed variables, nominal, ordinal, interval, and ratio scales, scale conversions, mode, median, mean, range, standard deviation, sum of squares, variance, degrees of freedom, normal distribution, parametric vs. non parametric, p-value, type I and II errors.