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Derby speeds 2007.

How fast do horses run? Kentucky Derby winners top 30 miles per hour, as shown in this graph. The graph shows the percentage of Derby winners that have run slower than each given speed. Note that few have won running less than 33 miles per hour, but about 86% of the winning horses have run less than 37 miles per hour. (A cumulative frequency graph like this is called an "ogive.")

1163_Fig 01.jpg

a) Estimate the median winning speed.

b) Estimate the quartiles.

c) Estimate the range and the IQR.

d) Create a boxplot of these speeds.

e) Write a few sentences about the speeds of the Kentucky Derby winners.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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