They could estimate with an accuracy of more than 80% whether a person's hair colour was blonde or brown.

BBC: Hair colour predicted from genes

StarMine's SmartEstimate (an estimate adjusted for the accuracy and timeliness of the contributing analysts) for J.

FORBES: Magazine Article

StarMine's proprietary metric, Single-stock Estimate Score (SES), measures the accuracy of each analyst's earnings forecasts.

FORBES: Lists

By using the Family Spending Survey (FSS) to estimate a few key expenditure items, some individual household accuracy is lost.

BBC: NEWS