In a Single-Factor ANOVA Problem Involving Five Populations or Treatments

Multiple Choice

In a single-factor ANOVA problem involving five populations or treatments, which of the following statements are true about the alternative hypothesis?

A) All five population means are equal.
B) All five population means are different.
C) At least two of the population mean are different.
D) At least three of the population mean are different.
E) At most, two of the population means are equal.