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Data Visualization in Reports: Keep It Honest and Clear

Charts can clarify or mislead. Honest, clear data visualization makes your reports trustworthy and easy to grasp. Here are the rules for report visuals that work.

Digby R. Kerr
By Digby R. Kerr — Wharton MBA, author of 12 books, founder of Kerr University™. 35+ years leading global business.

One message per chart

Each chart should make one clear point, with everything else stripped away. Highlight the number that matters. A cluttered chart hides your message; a focused one delivers it instantly.

Keep it honest

Start axes at zero when it matters, don't cherry-pick ranges, and label clearly. Misleading visuals — even accidental ones — destroy trust when noticed. Honest charts protect your credibility.

Choose the right chart

Match the chart to the data: trends over time as lines, comparisons as bars, parts of a whole sparingly as pie. The right chart type makes the message obvious; the wrong one confuses.

Frequently asked questions

How do I visualize data in reports?

Make one clear message per chart, keep it honest with proper axes and labels, and choose the right chart type.

How do I keep charts honest?

Start axes at zero when relevant, avoid cherry-picked ranges, and label clearly.

Which chart type should I use?

Lines for trends, bars for comparisons, pie sparingly for parts of a whole.

How can I improve my reports?

Book a free 30-minute class to sharpen your writing 1-on-1 with Digby R. Kerr.

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