Home
AP Notes
Practice Tests
FRQ
Score Calculator
AI Practice
Teach Me Back
Upgrade
Sign In
Upgrade
Classes:
🧠
Psychology
Psychology
🌍
Human Geography
Human
📚
World History
World
🇺🇸
U.S. History
U.S.
🏛️
U.S. Government
U.S.
📊
Statistics
Statistics
∫
Calculus AB
Calculus
∮
Calculus BC
Calculus
💰
Microeconomics
Microeconomics
🌐
Macroeconomics
Macroeconomics
📈
Pre-calculus
Pre-calculus
🧬
Biology
Biology
⚗️
Chemistry
Chemistry
⚡
Physics 1
Physics
🔬
Physics 2
Physics
🌱
Environmental Science
Environmental
✍️
English Language
English
📖
English Literature
English
🗣️
Spanish
Spanish
🇫🇷
French
French
🏰
European History
European
Back to Statistics Notes
📊
Unit 1 · Study Notes
Unit 1: Exploring One-Variable Data
AP Statistics
Unit Cheat Sheet
AP Statistics · Unit 1: Exploring One-Variable Data ·
37 key points · ~9 min review
Export PDF
Open cheat sheet
📊 Describing Data
Categorical vs. Quantitative Variables
Discrete vs. Continuous Variables
📈 Displaying Quantitative Data
Histogram
Stemplot (Stem-and-Leaf Plot)
Dotplot
Describing Distributions (SOCS)
📏 Measures of Center
Mean (Arithmetic Average)
Median
Comparing Mean and Median
📐 Measures of Spread
Range
Interquartile Range (IQR)
Standard Deviation
Variance
🎯 Outliers
Outlier Detection (1.5×IQR Rule)
📦 Boxplots
Five-Number Summary
Boxplot (Box-and-Whisker Plot)
🔢 Percentiles and Z-Scores
Percentile
Z-Score (Standardized Score)
Interpreting Z-Scores