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Five persons, who were suffering from depression, attended 10 one-hour counseling sessions. The following table gives the depression scores (on a scale of 1 to 10) of these five persons before and after attending the counseling sessions. Note that a higher score means that a person has a worse case of depression. Before 7.5 6.4 8.6 9.1 7.8 After 4.3 5.1 6.2 6.9 7.2 Let the paired difference d be defined as the score before minus the score after attending the counseling sessions. Use the above information to answer the following question: 26. The mean of the sample paired differences is: b. .76 a. 2.18 c. 1.94 d. 3.56

Five persons, who were suffering from depression, attended 10 one-hour counseling sessions. The following table gives the depression scores (on a scale of 1 to 10) of these five persons before and after attending the counseling sessions. Note that a higher score means that a person has a worse case of depression. Before 7.5 6.4 8.6 9.1 7.8 After 4.3 5.1 6.2 6.9 7.2 Let the paired difference d be defined as the score before minus the score after attending the counseling sessions. Use the above information to answer the following question: 26. The mean of the sample paired differences is: b. .76 a. 2.18 c. 1.94 d. 3.56

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Five persons, who were suffering from depression, attended 10 one-hour counseling sessions. The following table gives the depression scores (on a scale of 1 to 10) of these five persons before and after attending the counseling sessions. Note that a higher score means that a person has a worse case of depression. Before 7.5 6.4 8.6 9.1 7.8 After 4.3 5.1 6.2 6.9 7.2 Let the paired difference d be defined as the score before minus the score after attending the counseling sessions. Use the above information to answer the following question: 26. The mean of the sample paired differences is: b. .76 a. 2.18 c. 1.94 d. 3.56
Transcribed Image Text:Five persons, who were suffering from depression, attended 10 one-hour counseling sessions. The following table gives the depression scores (on a scale of 1 to 10) of these five persons before and after attending the counseling sessions. Note that a higher score means that a person has a worse case of depression. Before 7.5 6.4 8.6 9.1 7.8 After 4.3 5.1 6.2 6.9 7.2 Let the paired difference d be defined as the score before minus the score after attending the counseling sessions. Use the above information to answer the following question: 26. The mean of the sample paired differences is: b. .76 a. 2.18 c. 1.94 d. 3.56
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