How Reliable Is Aggregated Data for Making Big Decisions? or Can We Trust Aggregated Data to Tell the

Oh man, horror story time! We used aggregated data for customer satisfaction scores, and it showed 80% happy.

Turns out, one *super* happy group was masking a bunch of angry users.

Now I always slice by demographics before trusting the big numbers.

Try Metabase—it’s free and lets you peek behind the curtain.