Can someone explain what is data aggregation in simple terms? or What is data aggregation and why is

Data aggregation is basically taking a bunch of numbers and making them less chaotic.

Like, imagine you have 1000 customer reviews—aggregation could tell you "70% are positive" instead of reading each one.

Why bother? Because nobody has time to dig through raw data. It’s like turning noise into a clear signal.

Check out Tableau for visualizing aggregated data—super helpful!