How fast do horses run? Kentucky Derby winners top 30 mph, as shown in the graph. This graph shows the percentage of Kentucky Derby winners that have run slower than a given speed. Note that few have won running less than 33 mph, but about 95% of the winning horses have run less than 37 mph. (A cumulative frequency graph like this is called an ogive.)

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 o the Kentucky Derby winners.

Transcribed Image Text:

100 80 60 40 T 20 32 34 36 Winning Speed (mph)