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Why is Black maternal mortality higher?

Kevin Drum provides an excellent example of quantitative reasoning in his (5/6/19) post How Can We Reduce Black Maternal Mortality? The story begins with his chart here that shows maternal mortality increasing in general, but it has increased faster and is much higher for Black mothers as compared to White. …

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What is Population Bracketology?

The Census Bureau has a new interactive data visualization called Population Bracketology (see the screen shot here). In the game, players have to choose the city (or state for the state version) with the largest population.  Once the game is completed users can scroll over the cities (or states) to …

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0 to 6 or 1 to 7, Does it matter?

The Decoded/Pew Research Center article On a scale from 1 to 10, how much to the numbers really matter? by Jonathan Evans reports on their experiment using a 0 to 6 scale and 1 to 7 scale.  To carry it out, we randomly assigned respondents in France, Germany and the …

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How do we humanize data?

When comparing countries or even within countries, we can talk about GDP, Gini coefficients, poverty rates, etc., but sometimes (all the time?) it is hard to know what this really means for people. If a picture is worth a 1000 words then Dollar Street has 30,000,000 words as they “visited …

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