Which of the following represents a nondirectional research hypothesis?
A) $H _ { 1 } : \bar { X } _ { 1 } \bar { X } _ { 2 }$
B) $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 }$
C) $H _ { 1 : } : \bar { X } _ { 2 } \neq \bar { X } _ { 2 }$
D) $H _ { 0 } : \mu _ { 1 } \mu _ { 2 }$

Question

Which of the following represents a nondirectional research hypothesis?
A) $H _ { 1 } : \bar { X } _ { 1 } > \bar { X } _ { 2 }$
B) $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 }$
C) $H _ { 1 : } : \bar { X } _ { 2 } \neq \bar { X } _ { 2 }$
D) $H _ { 0 } : \mu _ { 1 } > \mu _ { 2 }$

Quizplus · Accepted Answer

A nondirectional hypothesis does not specify the direction of the difference or relationship between variables. Option C is the only hypothesis that does not specify a specific direction of difference between the two sample means.

Which of the Following Represents a Nondirectional Research Hypothesis? A) H1:Xˉ1>Xˉ2H _ { 1 } : \bar { X } _ { 1 } > \bar { X } _ { 2 }H1​:Xˉ1​>Xˉ2​

Which of the Following Represents a Nondirectional Research Hypothesis?
A) $H _ { 1 } : \bar { X } _ { 1 } > \bar { X } _ { 2 }$