Look at the following research article to see how the statistical techniques you have already learned are used in practice:

Watson, J., Kinstler, A., Vidonish III, W. P., Wagner, M., Li, L., Davis, K. G., . . . Daraiseh, N. M. (2015). Impact of noise on nurses in pediatric intensive care units. American Journal of Critical Care, 24(5), 377–384. doi:10.4037/ajcc2015260

Look at Table 2 in the article. What percentage of the time was the noise level of the Cardiac Intensive Care Unit (CICU) over the cutoff level that the National Institute on Deafness and Other Communication Disorders (NIDOCD) indicated can cause physiological damage?

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Spearman's p Risk Grade Correlation coefficient Significance (two-tailed) N Correlation coefficient Significance (two-tailed) N Risk 1.000 108 0.156 0.106 108 Grade 0.156 0.106 108 1.000 108