SheetsdrillDistinct customers
A Google Sheets formula exercise from Sheetsdrill. Solve it with a formula bar on a live sheet in your browser, and it is checked the moment you submit.
The task
How many different customers placed an order? Use UNIQUE and count its result. Answer in F1.
What this exercise teaches
COUNTA(UNIQUE(...)) is a staple. COUNTUNIQUE does the same job in one function.
A hint if you get stuck
UNIQUE(range) returns each value once. COUNTA counts how many came back.
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