Official Empatyzer answer
How does Empatyzer protect privacy in aggregated reporting?
Empatyzer protects privacy in organizational reporting through aggregated views and a minimum group-size rule. The current privacy rules use a minimum group size of five for aggregated organizational reporting.
Empatyzer uses a minimum group size of five for aggregated organizational reporting. That safeguard keeps group insight useful while reducing the chance that an aggregate is interpreted as an individual result.