Which of the Following Statements Are True?
A) When the Alternative

Multiple Choice

Which of the following statements are true?

A) When the alternative hypothesis is $H_{0} \cdot \mu_{1}-\mu_{2}<\Delta_{0}$

The null hypothesis $H _ { o } \text { should be rejected if } \bar { x } - \bar { y }$
Is considerably smaller than the null value $\Delta _ { 0 }$
)
B) When the alternative hypothesis is $H_{0} \cdot \mu_{1}-\mu_{2}<\Delta_{0}$

The null hypothesis $H _ { o } \text { should be rejected if } \bar { x } - \bar { y }$
Is considerably larger than the null value $\Delta _ { 0 }$
)
C) When the alternative hypothesis is $H_{0} \cdot \mu_{1}-\mu_{2} \neq \Delta_{0}$

The null hypothesis $H _ { o } \text { should be rejected if } \bar { x } - \bar { y }$
Is too far to either side of the null value $\Delta _ { 0 }$
)
D) All of the above statements are true.
E) None of the above statements are true.