For those whose totals don't match when asking AI for a 'monthly/per-person summary table ...

"I can use SUMIF, but I get lost as soon as there are two or more conditions.""I want to summarize by month from a date ...
Houston Chronicle

What Is Cross Tabulation in Marketing?

When analyzing raw data, cross tabulation - a table with columns and rows - helps marketers observe two or more variables simultaneously. Also known as contingency tables or cross tabs, cross ...