The Null Hypothesis for Tind Is H0 $\bar { X } _ { 1 } = \bar { X } _ { 2 }$

Multiple Choice

The null hypothesis for tind is H0:.

A) $\bar { X } _ { 1 } = \bar { X } _ { 2 }$
B) $\bar { X } _ { 1 } \neq \bar { X } _ { 2 }$
C) $\mu _ { 1 } = \mu _ { 21 }$
D) $\mu _ { 1 } \neq \mu _ { 2 }$