Logically, it is not possible for FIRMDEFI to equal 1 and 2 at the same time. Instead of using AND, your WHERE statement could switch to OR. Alternatively:
Logically, it is not possible for FIRMDEFI to equal 1 and 2 at the same time. Instead of using AND, your WHERE statement could switch to OR. Alternatively:
ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.