Which type of null hypothesis is used in the figure below?

A) $H _ { 0 } : \mu = k$
B) $H _ { 0 } : \mu \neq k$
C) $H _ { 0 } : \mu \geq k$
D) $H _ { 0 } : \mu \geq k$.

Question

Which type of null hypothesis is used in the figure below?

A) $H _ { 0 } : \mu = k$ 
B) $H _ { 0 } : \mu \neq k$ 
C) $H _ { 0 } : \mu \geq k$ 
D) $H _ { 0 } : \mu \geq k$.

Quizplus · Accepted Answer

The null hypothesis in the figure states that the mean value of the treatment group is equal to or greater than the mean value of the control group. This fits the format of a one-tailed "greater than or equal to" null hypothesis, which is represented by option C.

Which Type of Null Hypothesis Is Used in the Figure H0:μ=kH _ { 0 } : \mu = kH0​:μ=k

Which Type of Null Hypothesis Is Used in the Figure $H _ { 0 } : \mu = k$