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Five persons, who were suffering from depression, attended 10 one-hour counseing 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 After 7.5 4.3 6.4 5.1 8.6 6.2 9.1 6.9 7.8 7.2 Average=7.880 Average=5.940 Variance= 1.222 | Variance=1.043 Can you conclude with The significance level is 5% that the counseling sessions does reduce the depression level? Hint: D = X1 –- X2; ob = o before + o after -2 * 0.613 * Obefore * Cafter

Five persons, who were suffering from depression, attended 10 one-hour counseing 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 After 7.5 4.3 6.4 5.1 8.6 6.2 9.1 6.9 7.8 7.2 Average=7.880 Average=5.940 Variance= 1.222 | Variance=1.043 Can you conclude with The significance level is 5% that the counseling sessions does reduce the depression level? Hint: D = X1 –- X2; ob = o before + o after -2 * 0.613 * Obefore * Cafter

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
Section10.4: Distributions Of Data
Problem 19PFA
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Five persons, who were suffering from depression, attended 10 one-hour counseing 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 After 7.5 4.3 6.4 5.1 8.6 6.2 9.1 6.9 7.8 7.2 Average= 7.880 Average=5.940 Variance= 1.222 | Variance=1.043 Can you conclude with The significance level is 5% that the counseling sessions does reduce the depression level? Hint: D %3D X1 —— X2; ор O before + o after –2 * 0.613 * O before * Cafter
Transcribed Image Text:Five persons, who were suffering from depression, attended 10 one-hour counseing 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 After 7.5 4.3 6.4 5.1 8.6 6.2 9.1 6.9 7.8 7.2 Average= 7.880 Average=5.940 Variance= 1.222 | Variance=1.043 Can you conclude with The significance level is 5% that the counseling sessions does reduce the depression level? Hint: D %3D X1 —— X2; ор O before + o after –2 * 0.613 * O before * Cafter
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