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?Outpatient Treatment The median length of stay for substance-abuse outpatient treatment completers is 107 days for those referred by the criminal just

Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III ISBN: 9780134133539 240

Solution for problem 21 Chapter 15.4

Statistics: Informed Decisions Using Data | 5th Edition

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Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III

Statistics: Informed Decisions Using Data | 5th Edition

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Problem 21

Outpatient Treatment The median length of stay for substance-abuse outpatient treatment completers is 107 days for those referred by the criminal justice system. The following data represent the length of stays for a random sample of substance abuse outpatient treatment completers who were referred by an employer.

Using the Wilcoxon signed-ranks test at the a = 0.05 level of significance, does the median length of stay seem different for employer referrals than for those referred by the criminal justice system?

Step-by-Step Solution:

Step 1 of 5) Outpatient Treatment The median length of stay for substance-abuse outpatient treatment completers is 107 days for those referred by the criminal justice system. The following data represent the length of stays for a random sample of substance abuse outpatient treatment completers who were referred by an employer. Using the Wilcoxon signed-ranks test at the a = 0.05 level of significance, does the median length of stay seem different for employer referrals than for those referred by the criminal justice system Minitab 1. If you have raw data, enter them in column C1. 2. Select the Stat menu, then Basic Statistics, then highlight 1-Sample t N. 3. If you have raw data, select “One or more samples, each in a column” from the pull-down menu. Place the cursor in the box, highlight the column containing the raw data, and click “Select.” If you have summarized data, select “Summarized data” from the pull-down menu and enter the summarized data. Select Options . . . and enter a confidence level. Click OK twice. Excel 1. Load the XLSTAT Add-in. 2. Enter the raw data in Column A. 3. Select the XLSTAT menu, and highlight Parametric tests. Select One-sample t-test and z-test. 4. Place the cursor in the Data cell. Highlight the raw data in the spreadsheet. Be sure the box for Student’s t-test is checked and the radio button for One sample is selected.

Step 2 of 2

Chapter 15.4, Problem 21 is Solved
Textbook: Statistics: Informed Decisions Using Data
Edition: 5
Author: Michael Sullivan III
ISBN: 9780134133539

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?Outpatient Treatment The median length of stay for substance-abuse outpatient treatment completers is 107 days for those referred by the criminal just