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When It Comes to Finance, 'Normal' Data Is Actually Pretty Weird

UNITED STATES, AUG 5 – Analysis shows financial data from about 1,000 U.S. firms often exhibits extreme outliers and right-skewed patterns, challenging the assumption of normal distribution in research.

Summary by Phys.org
When business researchers analyze data, they often rely on assumptions to help make sense of what they find. But like anyone else, they can run into a whole lot of trouble if those assumptions turn out to be wrong—which may happen more often than they realize. That's what we found in a recent study looking at financial data from about a thousand major U.S. companies.

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The Conversation broke the news in on Tuesday, August 5, 2025.
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