Empirical Rule: Intervals for unimodal and symmetric data

68% of the data is within 1 STDEV of the mean

95% within 2 SD

99.7% within 3 SD

Data Collection

Measures of Location, Variability, and Dispersion

Measures of Shape

Gaussian Model

Graphical Summaries

Probability Distributions

Maximum Likelihood Estimation

PPDAC

Estimation

Chi-Squared Distribution

T-Distribution

Hypothesis Testing

Hypothesis Testing for Gaussian and Exponential