Reducing on-the-job stress. Refer to the Kansas State study designed to investigate the effects of plants on human stress levels, Exercise 9.60 (p. 552). The data AMSTAR FOOTWEAR PLANTS Review Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8 Item 9 Item 10 Item 11 R1 4.0 1.0 4.0 2.0 3.5 3.5 3.5 3.5 1.0 1.0 1.0 R2 3.5 2.5 4.0 4.0 3.5 4.0 3.5 2.5 3.5 1.5 1.0 R3 4.0 4.0 3.5 4.0 1.5 2.5 3.5 3.5 2.5 1.5 1.0 R4 3.5 2.0 4.0 4.0 2.0 4.0 3.5 3.0 3.5 1.0 1.0 R5 3.5 4.0 4.0 3.0 2.5 4.0 4.0 4.0 2.5 1.0 2.5 Source: From J. Kung et al., “From Systematic Reviews to Clinical Recommendations to Clinical-Based Health Care: Validation of Revised Assessment of Multiple Systematic Reviews (R-AMSTAR) for Grading of Clinical Relevance,” Open Dentistry Journal, Vol. 4, 2010. Copyright © 2010 by Bentham Science Publishers Ltd. (below) are given as finger temperatures for each of 10 students in a dimly lit room under three experimental conditions: presence of a live plant, presence of a plant photo, and absence of a plant (either live or photo). Analyze the data using a nonparametric procedure. Do students’ finger temperatures depend on the experimental condition? Student Live Plant Plant Photo No Plant (control) 1 91.4 93.5 96.6 2 94.9 96.6 90.5 3 97.0 95.8 95.4 4 93.7 96.2 96.7 5 96.0 96.6 93.5 6 96.7 95.5 94.8 7 95.2 94.6 95.7 8 96.0 97.2 96.2 9 95.6 94.8 96.0 10 95.6 92.6 96.6 Source: From “Reducing on-the-job stress,” Copyright © 2012 by Elizabeth Schreiber, formerly of Department of Statistics, Kansas State University. Used by permission of Elizabeth Schreiber.