When Performing a Rank Correlation Test, One Alternative to Using $$r _ { S } = \pm \sqrt { \frac { t ^ { 2 } } { t ^ { 2 } + n - 2 } }$$

question 24

Multiple Choice

When performing a rank correlation test, one alternative to using Table A-9 to find critical values is to compute them using this approximation: $$r _ { S } = \pm \sqrt { \frac { t ^ { 2 } } { t ^ { 2 } + n - 2 } }$$
where $t$ is the $t - s c o r e$ from Table $\mathrm { A } - 3$ corresponding to $n - 2$ degrees of freedom. Use this approximation to find critical values of $r _ { \mathrm { S } }$ for the case where $\mathrm { n } = 11$ and $\alpha = 0.01$ .

• A) \(\pm 0.685\)
• B) \(\pm 0.411\)
• C) \(\pm 0.726\)
• D) \(\pm 0.735\)

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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