The following table lists body temperatures of seven subjects at 8 AM and at 12 AM. The data are matched pairs because each pair of temperatures is measured from the same person. Using the data, it is possible to test for no difference between body temperatures at 8 AM and 12 AM by using the sign test or the Wilcoxon signed-ranks test. In what sense does the Wilcoxon signed-ranks test incorporate and use more information than the sign test? Temperature (°F) at 8 AM Temperature (°F) at 12 AM 98.0 97.6 97.2 98.0 97.0 98.0 98.2 97.0 98.8 97.6 98.0 97.7 98.8 97.6 Choose the correct answer below. O A. The sign test requires that the population is normally distributed, while the Wilcoxon signed-ranks test only requires that the population distribution is approximately symmetric. O B. The sign test uses only the signs of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes of the differences. OC. The sign test uses only the magnitudes of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes and the signs of the differences. OD. The sign test can only be used as a two-tailed test, while the Wilcoxon signed-ranks test can be used as a one-tailed or two-tailed test.
The following table lists body temperatures of seven subjects at 8 AM and at 12 AM. The data are matched pairs because each pair of temperatures is measured from the same person. Using the data, it is possible to test for no difference between body temperatures at 8 AM and 12 AM by using the sign test or the Wilcoxon signed-ranks test. In what sense does the Wilcoxon signed-ranks test incorporate and use more information than the sign test? Temperature (°F) at 8 AM Temperature (°F) at 12 AM 98.0 97.6 97.2 98.0 97.0 98.0 98.2 97.0 98.8 97.6 98.0 97.7 98.8 97.6 Choose the correct answer below. O A. The sign test requires that the population is normally distributed, while the Wilcoxon signed-ranks test only requires that the population distribution is approximately symmetric. O B. The sign test uses only the signs of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes of the differences. OC. The sign test uses only the magnitudes of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes and the signs of the differences. OD. The sign test can only be used as a two-tailed test, while the Wilcoxon signed-ranks test can be used as a one-tailed or two-tailed test.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The following table lists body temperatures of seven subjects at 8 AM and at 12 AM. The data are matched pairs because each pair of temperatures is measured from the same person. Using the data, it is possible to test for no difference between body temperatures at 8 AM and
12 AM by using the sign test or the Wilcoxon signed-ranks test. In what sense does the Wilcoxon signed-ranks test incorporate and use more information than the sign test?
Temperature (°F) at 8 AM
Temperature (°F) at 12 AM
Choose the correct answer below.
98.0 97.6 97.2 98.0 97.0 98.0 98.2
97.0 98.8 97.6 98.0 97.7 98.8 97.6
O A. The sign test requires that the population is normally distributed, while the Wilcoxon signed-ranks test only requires that the population distribution is approximately symmetric.
OB. The sign test uses only the signs of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes of the differences.
O C. The sign test uses only the magnitudes of the differences, but the Wilcoxon signed-ranks test uses ranks that are affected by the magnitudes and the signs of the differences.
O D. The sign test can only be used as a two-tailed test, while the Wilcoxon signed-ranks test can be used as a one-tailed or two-tailed test.
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