Data representations

Jessica White
8 min read
Listen to this study note
Study Guide Overview
This guide covers data visualization and interpretation for the SAT, focusing on tables, bar graphs, line graphs, pie charts, histograms, scatterplots, and box plots. It explains how to identify trends, relationships (including correlation), and outliers in data. The guide also provides practice questions and tips for the exam.
#Data Visualization and Interpretation: Your Ultimate Guide 📊
Hey there, future AP champ! Let's make sure you're totally prepped for the data analysis questions on the SAT. This guide will break down everything you need to know, so you can go into the exam feeling confident and ready to ace it. Let's dive in!
#Data Interpretation: The Big Picture
Data is all around us, and understanding how to read it is key. Think of data visualizations as a way to turn boring numbers into exciting stories. They help us see patterns, trends, and relationships that would otherwise be hidden. Let's explore the main types you'll see on the exam.
Jump to Advanced Visualizations
Jump to Trends and Relationships
# Tables and Graphs: The Basics 📈
#Tables
- Organize data in rows and columns for easy comparison. Think of it like a well-organized spreadsheet.
- Key components: Title, column headers, and data entries. Always check these first!
- Example: A table comparing student test scores across different subjects.
Subject | Student A | Student B | Student C |
---|---|---|---|
Math | 92 | 88 | 95 |
English | 85 | 94 | 89 |
Science | 90 | 92 | 91 |
#Bar Graphs
- Use bars to represent categorical data or discrete values. The taller the bar, the bigger the value.
- Key: Bar height/length is proportional to the value it represents.
- Example: A bar graph showing monthly sales figures for different product categories.
#Line Graphs
- Connect data points with lines to show trends over time. Great for seeing how things change.
- Key: Commonly used for continuous data or data with a clear sequence.
- Example: A line graph displaying temperature changes throughout a year.
#Pie Charts
- Divide a circle into slices to show the composition of a whole. Think of it like a pizza!
- Key: Each slice (sector) represents a proportion of the total.
- Example: A pie chart illustrating market share of different smartphone brands.

How are we doing?
Give us your feedback and let us know how we can improve