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Overview
7th Grade Math
27. MA.7.DP.1.5
27.4 Critiquing data presentation
Critiquing Data Presentation
Before trusting a graph, check its axes, scale, time range, data source, and sample size.
What You'll Learn
Check that both axes are labeled and the y-axis starts at zero.
Confirm the scale on each axis is even, not distorted.
Check whether the full relevant time range is shown, not a cherry-picked slice.
Look for a credible, stated data source.
Look for the sample size to judge how reliable the conclusion is.
What You'll Practice
1
Analyzing bar graphs with truncated axes to detect misrepresentation
2
Comparing visual proportions to actual numerical ratios in data sets
3
Identifying and removing distorting elements like zigzag breaks in axes
4
Redrawing graphs to show complete scales from zero
Why This Matters
Critiquing data presentation helps you spot when statistics are being used to mislead you in advertisements, news reports, and social media. This skill protects you from manipulation and ensures you make informed decisions based on accurate information, not just eye-catching visuals.
This Unit Includes
3 Video lessons
Learning resources
Skills
Data Analysis
Graph Interpretation
Bar Graphs
Critical Thinking
Statistical Reasoning
Scale Distortion
Ratios
FL Curriculum Aligned