One-Way ANOVA Is Applied to Independent Samples Taken from Three $\mu$

Multiple Choice

One-way ANOVA is applied to independent samples taken from three normally distributed populations with equal variances.Which of the following is the null hypothesis for this procedure?

A) $\mu$ ₁ + $\mu$ ₂ + $\mu$ ₃ = 0
B) $\mu$ ₁ + $\mu$ ₂ + $\mu$ ₃ $\neq$ 0
C) $\mu$ ₁ = $\mu$ ₂ = $\mu$ ₃ = 0
D) $\mu$ ₁ = $\mu$ ₂ = $\mu$ ₃