test, two groups had the following summary statistics. Group A: median = 145 beats/min, interquartile range = 9.0 beats/min Group B: median = 148.5 beats/min, interquartile range = 10.0 beats/min Which comparison is correct?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
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In a medical study on the maximum heart rates of cardiac patients in a two-minute stress test, two groups had the following summary statistics.
Group A: median = 145 beats/min, interquartile range = 9.0 beats/min
Group B: median = 148.5 beats/min, interquartile range = 10.0 beats/min
Which comparison is correct?
 
 

Members of Group A had slower heartbeats and less variation than Group B.
 

2

Members of Group A had slower heartbeats and more variation than Group B.
 

Members of Group A had faster heartbeats and more variation than Group B.
 

4

Members of Group A had faster heartbeats and less variation than Group B.
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