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Statistics Unit Test 9 of 15
The range of the speeds of the fastest steel roller coasters in
Europe is mph. The range of the speeds of the fastest
steel roller coasters in North America is mph
The stem-and-leaf plot shows the speeds of the fastest steel roller
coasters in Europe. The table shows the speeds of the fastest
steel roller coasters in North America.
Speeds of the Fastest Steel Roller Coasters in Europe (in
miles per hour)
Stem Leaf
7 4 5 5 5
8 0 0 3 4 8
9 9
11 1
Key: miles per hour
Speeds of the Fastest Steel Roller Coasters in North America
(in miles per hour)
Canada 90 128 91
U.S. 93 120 100
Mexico 95 92 85
Find the range of the speeds of the fastest steel roller coasters on
both continents
1 answer
The range of the speeds of the fastest steel roller coasters in Europe is 75 mph (11 - 7) and the range of the speeds of the fastest steel roller coasters in North America is 43 mph (128 - 85).