Microsoft Excel 2021365 - Beginner to Advanced - The IFS Function

The video tutorial explains how to use the IF S function in Excel to simplify nested IF statements. It highlights the slight efficiency gained by not repeatedly typing 'IF' and omitting the FALSE result. Two examples are provided: calculating bonuses based on job ratings and returning the day of the week from a number. The tutorial also touches on handling NA errors and suggests adding error checking for invalid inputs.

In the context of the IF S function, how can you return the day of the week based on a number input?

What would happen if a user inputs a number outside the specified range in an IF S function?

What steps would you take to implement error checking in an IF S formula?