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
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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