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As shown below, a hospital recorded the number of minutes spent in post-op recovery by three randomly chosen knee-surgery patients in each category, based on age and type of anesthetic. Which is the most appropriate test?
Mitt Romney
An American politician and businessman who served as the Senator from Utah and was the 2012 Republican nominee for President of the United States.
President Barack Obama
The 44th president of the United States, serving from 2009 to 2017, and the first African American to hold the office.
2012 Election
Refers to the United States presidential election held in 2012, resulting in the re-election of President Barack Obama.
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The national government of a federal state, which holds authority over matters that affect the country as a whole, distinct from state or local governments.
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