Multiple choice technology What does the SUMIF function do? Adds all the numbers in a range of cells. Adds up cell values based on a condition. Returns a subtotal in a list or database. None of the above. Reveal answer Fill a bubble to check yourself B Correct answer Explanation SUMIF adds values that meet a specified condition, unlike SUM which adds all values unconditionally. It requires a range to test, a criteria to match, and an optional range to sum.