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.

Question

Speeds of the Fastest Steel Roller Coasters in Europe in miles per hour)
Stem
Leaf
7 4555
8 00348
9 9
11 1
Key: 7|4 = 74 miles per hour
Speeds of the Fastest Steel Roller Coasters in North America (in miles per hour)
Canada 90
128 91
U.S.
93
Mexico 95 92
120 100 K
85
Find the range of the speeds of the fastest steel roller coasters on both continents.
(1 point)
The range of the speeds of the fastest steel roller coasters in Europe is
7 mph. The range of the speeds of the fastest steel roller coasters in North America is I mph.

Answer 1

The range of the speeds of the fastest steel roller coasters on both continents is 14 mph.

Europe: 48 - 74 = 26 mph
North America: 85 - 100 = 15 mph

The larger range of the two is 26 mph.