A Paired Difference Experiment Yielded $\mathrm { n } _ { \mathrm { d } }$

question 63

Multiple Choice

A paired difference experiment yielded $\mathrm { n } _ { \mathrm { d } }$ pairs of observations. For the given case, what is the rejection region for testing $\mathrm { H } _ { 0 } : \mu _ { \mathrm { d } } = 9$ against Ha: $\mu _ { \mathrm { d } } > 9$ ?
$\mathrm { n } _ { \mathrm { d } } = 27 , \alpha = 0.025$

• A) \(t < 1.703\)
• B) \(t > 2.056\)
• C) \(t > 2.052\)
• D) \(t < 2.056\)