Concept
Version 5
Created by Boundless
Sign Test
The Sign Test
The sign test involves denoting values above the median of a continuous population with a plus sign and the ones falling below the median with a minus sign in order to test the hypothesis that there is no difference in medians.
Source
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"Plus-,minus-,and equality-sign."
http://commons.wikimedia.org/wiki/File:Plus-,minus-,and_equality-sign.svg
Wikimedia
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