Mathematics // Data

STATISTICS

The science of collecting, analyzing, interpreting, and presenting data. In a chaotic world, statistics provides the tools to find the signal in the noise.

The Central Limit Theorem

You are watching it happen in the background. When you sum up many independent random variables (like balls bouncing left or right), the result always converges to a Normal Distribution (The Bell Curve).

[Image of normal distribution curve standard deviation]

Regression Analysis

y = 0.00x + 0
Click to plot data
Algorithm: Least Squares Method

Statistical Notation

Mean (µ)
Population Average
Σx / N
Standard Deviation (σ)
Spread/Dispersion
√Var(x)
Correlation (r)
Linear Relationship
cov(x,y) / σxσy