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 3 in the article. What was the most frequent location of noise?

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df 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0.25 1.32 2.77 4.11 Probability in Right Tail 0.20 0.15 0.10 0.05 0.025 0.001 0.0005 1.64 2.07 2.71 3.84 5.02 10.83 12.12 3.22 3.79 4.61 5.99 7.38 13.82 15.20 4.64 5.32 6.25 7.81 9.35 16.27 17.73 5.99 6.74 7.78 9.49 11.14 13.28 14.86 18.47 20.00 7.29 8.12 9.24 11.07 12.83 15.09 16.75 20.52 22.11 8.56 9.45 10.64 12.59 14.45 16.81 18.55 22.46 24.10 9.80 10.75 12.02 14.07 16.01 18.48 20.28 24.32 26.02 12.03 13.36 15.51 17.53 20.09 21.95 26.12 27.87 13.29 14.68 16.92 19.02 21.67 23.59 27.88 29.67 14.53 15.99 18.31 20.48 23.21 25.19 29.59 31.42 15.77 17.28 19.68 21.92 24.72 26.76 31.26 33.14 18.55 21.03 23.34 26.22 28.30 32.91 34.82 19.81 22.36 24.74 27.69 29.82 34.53 36.48 23.68 26.12 29.14 31.32 36.12 38.11 25.00 30.58 32.80 37.70 39.72 27.49 26.30 28.85 32.00 34.27 39.25 41.31 27.59 30.19 33.41 35.72 40.79 42.88 28.87 31.53 34.81 37.16 42.31 44.43 0.975 0.00098 0.051 0.216 0.48 5.39 0.83 6.63 1.24 7.84 1.69 9.04 2.18 10.22 11.03 2.70 11.39 12.24 3.25 12.55 13.44 3.82 13.70 14.63 4.40 14.85 15.81 16.99 5.01 15.98 16.98 18.20 5.63 17.12 18.15 19.41 21.06 6.26 18.25 19.31 20.60 22.31 6.91 19.37 20.47 21.79 23.54 7.56 20.49 21.61 22.98 24.77 8.23 21.60 22.76 24.16 25.99 0.01 6.63 9.21 11.34 0.005 7.88 10.60 12.84