The Null Hypothesis Is
A) $\mu$ ₁ = $\mu$ ₂
B) $\mu$ ₁ $\neq$

Multiple Choice

The null hypothesis is

A) $\mu$ ₁ = $\mu$ ₂
B) $\mu$ ₁ $\neq$ $\mu$ ₂
C) $\mu$ ₁ $\neq$$\mu$ ₂
D) $\mu$ ₁ $\neq$ $\mu$ ₂
E) any of the alternative answers are correct.