Which of the Following Is a Correct Formulation for the Null

Multiple Choice

Which of the following is a correct formulation for the null hypothesis in one-way ANOVA?

A) $\mu _ { 1 } + \mu _ { 2 } + \mu _ { 3 } = 0$ .
B) $\mu _ { 1 } + \mu _ { 2 } + \mu _ { 3 } \neq 0$ .
C) $\mu _ { 1 } = \mu _ { 2 } = \mu _ { 3 }$ .
D) $\mu _ { 1 } \neq \mu _ { 2 } \neq \mu _ { 3 }$ .