variability

Definition

A statistics term for how much your data likes to wander away from the average, essentially measuring how consistently inconsistent your numbers are. High variability means your data is all over the place like a toddler on espresso, while low variability means it's boringly predictable. Analysts obsess over this because in business, variability is the difference between 'we can plan for this' and 'who knows what fresh hell tomorrow brings.'

Example Usage

The variability in our quarterly sales is so high that our forecast is basically just a sophisticated coin flip wrapped in an Excel spreadsheet.

Source: Statistical and business analytics terminology

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