ANOVA Is Called a "Signal Flag" Procedure,meaning That If It

Multiple Choice

ANOVA is called a "signal flag" procedure,meaning that if it shows significance:

A) differences between means are known.
B) there are no significant differences among the means.
C) there is a significant difference between at least one pair of means.
D) there is a significant difference between at most one pair of means.
E) there is a significant difference between all percentages.