Is a sprint times of 8 seconds unusually slow
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Author:Amos Gilat
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Is a sprint times of 8 seconds unusually slow?

Transcribed Image Text:As part of a student project, high school students were asked to sprint 50 yards and their times (in seconds) were recorded.
A cumulative relative frequency graph of the sprint times is shown. One student ran the 50 yards in 8 seconds.
Is a sprint time of 8 seconds unusually slow?
100
O No, a sprint time of 8 seconds is not unusually slow. A
80
student with an 8 second sprint is at the 75th
percentile, so 75% of students were slower.
O No, a sprint time of 8 seconds is not unusually slow.
75% of students took that long to sprint the 50 yards.
It is not unusual at all.
O No, a sprint time of 8 seconds is not unusually slow
60
40
20
considering that 50 yards is half of a football field and
that is a pretty decent distance.
5.8 6.3 6.8 7.3 7.8 8.3 8.8 9.3 9.8 10.3
Yes, a sprint time of 8 seconds is unusually slow.
Most students took less time to sprint the 50 yards.
O No, a sprint time of 8 seconds is not unusually slow. A
Sprint time (sec)
student with an 8 second sprint is at the 75th
percentile, so 25% of students took that long or longer.
prt sc
delete
GH
B
Cumulative relative frequency (%)
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