In a study of the effect of posture on body temperature, data were collected for 11 subjects. The values given in the table are in degrees Celsius and represent the measured body temperatures of the 11 subjects first in a sitting position and then in a supine (lying face up) position. At the 0.01 level of significance, test the claim that there is no significant difference between the measurements taken in the two positions.
Use the Wilcoxon signed-ranks test.

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Sitting |37.61 37.07 37.2 37.23 37.38 37.28 37.12 37.55 37.04 37.78 37.59 Supine 37.19 36.91 36.7 36.80 36.96 37.11 36.82 37.36 36.92 37.22 37.25 Data courtesy of Michel B. Ducharme, Defence and Civil Institute of Environmental Medicine, Toronto.