Briefle words · Data & charts
Precision
Also called significant figures
How many meaningful digits a number is shown with; good charts show only as many as the data supports and the decision needs.
Say it to an AI
Four KPI tiles for a store overview: conversion rate, revenue, average order and refund rate, each with a delta vs the same days last month. Show each headline number with sensible precision, two or three significant figures ('3.1%', '$1.23M', '$86'), never raw decimals; use rounding rather than false precision.
How an expert would brief the stronger version of “Store KPI tiles”.
See it
Try it as a puzzle →Headline metrics at the top of the merchant dashboard of a home-goods web shop.
Why: A rounds the conversion rate to '3.1%' and revenue to '$1.23M'; B carries them to four decimals and the last cent.
Related words
Room 1 · Essentials
Learn “Precision” in a five-minute lesson