Excel formula for IF cell number is 'lower' than X, 'in between' X and Y or 'higher' Y then equals A, B, C

Question

I can get a simple IF formula working like: =IF(A3>100,"good","bad")

but what i would like is something that works for in between theses values too.

Example:

A score of <80 = Bad , 80-100 = OK , >100 = Good Thanks.

Answer 1

使用INDEX（）

=INDEX({"Bad","OK","Good"},MATCH(A3,{-1E+99,80,100}))

Answer 2

You embed if statements:

=IF(A3>100,"good",IF(A3>80,"OK","bad"))

(not that if the maximum score is 100, then you should use:

=IF(A3>=100,"good",IF(A3>80,"OK","bad"))