Help me understand if my approach is correct please!

Hi all, I'm an junior data analyst. I'm currently learning all sorts of stats and techniques on my way to improving my skills.

Currently I'm investigating a dataset full of invoices and there are a few questions I'm trying to answer.

For example how many orders are on time/late based on xyz checks which I've coded.
I've also found cost discrepancies between what was actually done and what was invoiced.

One task I've been assigned is to see what teams …

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