Overview

CAEC Reading

Text Types

10. Informational Text

10.45 Interpreting Data Representations

Interpreting Data Representations

Evaluate tables, graphs, and charts to draw accurate conclusions, spot misleading scales, and separate correlation from causation on test questions.

What You'll Learn

Distinguish quantitative data (measured amounts) from categorical data (grouped labels) when reading a chart

Recognize how a truncated y-axis can exaggerate differences that are actually small

Separate a correlation shown in a scatter plot from a claim that one variable causes another

Cross-check a written claim against the numbers in an accompanying table or graph before accepting it

Identify outliers and consider whether a small or biased sample undermines a data set's conclusions

Choose the data representation, whether table, bar graph, line graph, or pie chart, that best supports a given argument

What You'll Practice

Judging whether a stated conclusion is fully, partially, or not supported by an accompanying table

Spotting a truncated or non-zero y-axis that exaggerates a small difference between bars

Deciding whether a scatter plot shows correlation only, or whether the passage overclaims causation

Checking a claim like "sales doubled" against the exact figures in a data table

Identifying an outlier in a data set that distorts a cited average or general trend

Why This Matters

You will meet passages paired with tables, graphs, and charts on standardized tests, in research writing, and in everyday news reporting, and each one expects you to judge whether the data truly supports the claim being made. Learning to check axis scales, sample sizes, and the gap between correlation and causation protects you from being misled by a persuasive-looking chart and sharpens the same reasoning you need for evidence-based argument writing.

This Unit Includes

Practice exercises

Learning resources

Skills

Data Interpretation

Graph Analysis

Table Reading

Correlation Vs Causation

Scale Bias

Sampling Bias

Test Strategies

Critical Reading

TEST-PREP Curriculum Aligned