The data in the table represents the training times (in seconds) for Arnold and Jackson.
Arnold 102 86 87 99 92 100 94 89 84 97
Jackson 103 100 83 87 88 85 91 93 96 101
Question 1
Which person's training times had the greatest spread? Explain.
Select from the drop down menus to correctly complete each statement.
The range of Arnold's training times is
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. The range of Jackson's training times is
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. Thus,
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.
Question 2
The middle 50% of the training times of which person had the least spread? Explain.
The interquartile range of Arnold's training times is
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. The interquartile range of Jackson's training times is
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. Thus, the middle 50% of
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training times have the least spread.
Question 3
What do the range and interquartile range tell you about Arnold and Jackson's training times?
Select each correct answer.
Arnold's training times are more consistent than Jackson's.
Arnold and Jackson's training times have the same spread.
Jackson's training times are just as consistent as Arnold's.
Jackson's training times have the most spread.
