In a one-way ANOVA, the null hypothesis is always
A、there is no treatment effect.;
B、there is some treatment effect.;
C、all the population means are different.;
D、 some of the population means are different.
发布时间:2025-05-10 08:00:32
A、there is no treatment effect.;
B、there is some treatment effect.;
C、all the population means are different.;
D、 some of the population means are different.