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Welcome to Intro Stats

Main Text

Getting Started
Experiments
Observational Studies
Natural Experiments
The Histogram
Center and Spread
Normal Distribution
Correlation
Regression
Probability
Probability II
Chance Variability
Sampling
Confidence Intervals
Hypothesis Testing
Two-Sample Tests
The Chi-Square Test
More About Significance
Statistical Power
Bibliography

Google Sheets (optional)

Overview
Histograms
Regression

Python (optional)

Overview
Basics
Libraries
StatWrap
Regression
Hypothesis Testing

R (optional)

Overview

Other

Selected Solutions
Other

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By Alexander Clark, Columbia University

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