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Statistics Cheat Sheet (DRAFT) by

Intro to Statistics Reference Guide

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Defini­tions

Standard Error (of mean)
computed solely from sample attrib­utes.
Robust/ Resistant
not affected by outliers; IQR and median are robust
Confidence Interval
 

Symbols

μ
population mean
x
sample mean
Σ
summation, just add
n
sample size