20. Callahan (2009) conducted a study to evaluate the effectiveness of physical exercise programs for individuals with chronic arthritis. Participants with doctor-diagnosed arthritis either received a Tai Chí course immediately or were placed in a control group to begin the course 8 weeks later. At the end of the 8-week period, self-reports of pain were obtained for both groups. Data similar to the results obtained in the study are shown in the following table. Self-Reported Level of Pain Mean SE Tai Chi course 3.7 1.2 No Tai Chi course 7.6 1.7 a. Construct a bar graph that incorporates all of the information in the table. b. Looking at your graph, do you think that participa- tion in the Tai Chi course reduces arthritis pain?
20. Callahan (2009) conducted a study to evaluate the effectiveness of physical exercise programs for individuals with chronic arthritis. Participants with doctor-diagnosed arthritis either received a Tai Chí course immediately or were placed in a control group to begin the course 8 weeks later. At the end of the 8-week period, self-reports of pain were obtained for both groups. Data similar to the results obtained in the study are shown in the following table. Self-Reported Level of Pain Mean SE Tai Chi course 3.7 1.2 No Tai Chi course 7.6 1.7 a. Construct a bar graph that incorporates all of the information in the table. b. Looking at your graph, do you think that participa- tion in the Tai Chi course reduces arthritis pain?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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Transcribed Image Text:20. Callahan (2009) conducted a study to evaluate the
effectiveness of physical exercise programs for
individuals with chronic arthritis. Participants with
doctor-diagnosed arthritis either received a Tai Chí
course immediately or were placed in a control group
to begin the course 8 weeks later. At the end of the
8-week period, self-reports of pain were obtained for
both groups. Data similar to the results obtained in the
study are shown in the following table.
Self-Reported Level of Pain
Mean
SE
Tai Chi course
3.7
1.2
No Tai Chi course
7.6
1.7
a. Construct a bar graph that incorporates all of the
information in the table.
b. Looking at your graph, do you think that participa-
tion in the Tai Chi course reduces arthritis pain?
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