Statistical Tests and Systems Analysis

These flashcards cover key terms and definitions related to statistical tests, data analysis, and concepts of resilience and systems.

Chi-Squared Analysis

A statistical test used to determine if the patterns in categorical data are meaningful.

Autocorrelation

The correlation of a time series with its own past values.

Data Smoothing

A technique to remove random noise and reveal the underlying signal or trend.

Kolmogorov-Smirnov (K-S) Analysis

A statistical test that compares the shapes of two datasets to see if they follow the same distribution.

Type I Error

A false positive error, indicating a result was found when there actually is none.

Type II Error

A false negative error, indicating a result was missed that is actually present.

Statistical Power

The probability of correctly rejecting the null hypothesis when it is false, avoiding a Type II error.

Healthy User Bias

A sampling bias where volunteers in a study tend to be healthier than the general population.

Complex Adaptive System

A system where parts learn, adapt, and change their behavior based on interactions.

Coutu’s Resilience Pillars

Three key concepts for resilience: Facing reality, Finding meaning, Ritualized ingenuity.