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In order to perform the Ansari-Bradley test what must one do first to the data? Rank the data Collect the observations from both samples into one vector Subtract the median value from each observation in both samples Make sure that the two samples have the same shape

In order to perform the Ansari-Bradley test what must one do first to the data? Rank the data Collect the observations from both samples into one vector Subtract the median value from each observation in both samples Make sure that the two samples have the same shape

MATLAB: An Introduction with Applications
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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**Question:** In order to perform the Ansari-Bradley test, what must one do first to the data? 1. ⬤ **Rank the data** 2. ○ Collect the observations from both samples into one vector 3. ○ Subtract the median value from each observation in both samples 4. ○ Make sure that the two samples have the same shape **Explanation:** The Ansari-Bradley test is used to compare the variances of two samples. The first step in this test is to rank the data. This involves assigning a rank to each data point in the combined sample set, which is crucial for performing the non-parametric statistical analysis.
Transcribed Image Text:**Question:** In order to perform the Ansari-Bradley test, what must one do first to the data? 1. ⬤ **Rank the data** 2. ○ Collect the observations from both samples into one vector 3. ○ Subtract the median value from each observation in both samples 4. ○ Make sure that the two samples have the same shape **Explanation:** The Ansari-Bradley test is used to compare the variances of two samples. The first step in this test is to rank the data. This involves assigning a rank to each data point in the combined sample set, which is crucial for performing the non-parametric statistical analysis.
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