Library / Decisions / Central Limit & Six Sigma
Central Limit & Six Sigma
Sample averages settle to normal; variation reduction pays until Fisher bites back.
INTERACTIVE LAB
Tolerance sandbox (original recreation)
happy 76% • avg. similar neighbors 49% • red ring = wants to move
DECISIONS
When to use / misuse
Use → Quality programs, polling margins, A/B sizing.
Difficulty → Starter
REDCAPE → Reason
agent: central-limit-checker family: Decisions combine_with: [two other families] rule: state failure mode before acting
Free sources: Coursera M2 (CLT & Six Sigma)
Attach to a lattice — combines with
Different families, shared jobs. Click to open alongside.
LINEAR
Categorical & Threshold Models
Buckets and cutoffs turn messy attributes into testable if-then rules.
SHARED JOB: REASON
LINEARLinear Regression
Best-fit line plus a causation audit. A big coefficient is not a big cause.
SHARED JOB: REASON
DYNAMICSLyapunov / Equilibrium
An energy-like function proves a system settles down — and bounds how fast.
SHARED JOB: REASON