Mathematics, 26.11.2021 23:00 prettydoll19
A research assistant recorded the number of seconds that it took for two groups of eighth-grade students to run the 200-meter dash. Below are their times:
Group 1: 34, 44, 33, 30, 31
Group 2: 32, 38, 36, 31, 32
Which statement about the data is true?
The interquartile range of Group 1 is 3 seconds less than the interquartile range of Group 2.
The mean of Group 1 is 0.6 second greater than the mean of Group 2.
The mean of Group 2 is 1.6 seconds greater than the mean of Group 1.
The interquartile range of Group 2 is 3.5 seconds less than the interquartile range of Group 1.
Answers: 3
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A research assistant recorded the number of seconds that it took for two groups of eighth-grade stud...
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