statistic articles
How does sampling bias affect results?
The result of any data-driven endeavor, whether it is a scientific experiment, a market poll, or a government census, hi...
What limits predictive statistics?
Predictive statistics, whether we call it analytics or modeling, feels like a glimpse into the future, offering tempting...
How do confidence intervals inform estimates?
When we survey people, run an experiment, or analyze data, we often end up with a single number—a *point estimate*—that ...
What defines a normal distribution?
The concept often surfaces in discussions about statistics, data analysis, and even finance, describing a specific, high...
What is the law of large numbers?
The convergence of randomness toward predictability is not just a philosophical concept; it is a cornerstone of modern s...
What causes statistical outliers?
Data points that sit far away from the main cluster of observations are often flagged as statistical outliers, but simpl...
How does variance measure spread?
Variance provides a precise mathematical answer to a fundamental question in data analysis: How *spread out* are the dat...