A function is said to be logical if the function is used to make decision based on stated conditions and comparison. Of the 4 options, the logical function is the IF function.
First, we analyze the given options
A) Round
This is used to approximate numbers; hence, it is not logical
B) Average
This returns the mean of numbers; hence, it is also not logical
C) Vlookup
This searches a column for certain element or value; hence, it is also not logical
D) IF
This performs comparison and executes a statement based on the result of the comparison; hence, this is logical
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