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 4 5 5 5
8 0 0 3 4 8
9 9
11 1Key: 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. 93 120 100
Mexico 95 92 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
mph. The range of the speeds of the fastest steel roller coasters in North America is
mph.
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Answer 1

The range of the speeds of the fastest steel roller coasters in Europe is 41 mph. The range of the speeds of the fastest steel roller coasters in North America is 45 mph.

Answer 2

are you sure?

Answer 3

I apologize for the error in my previous response. Let me calculate the ranges correctly:

For Europe:
The maximum speed is 111 mph (stem 11 | leaf 1)

The minimum speed is 74 mph (stem 7 | leaf 4)

Range = Maximum speed - Minimum speed
Range = 111 - 74
Range = 37 mph

For North America:
The maximum speed is 128 mph

The minimum speed is 85 mph

Range = Maximum speed - Minimum speed
Range = 128 - 85
Range = 43 mph

Therefore, the correct ranges are:
- The range of the speeds of the fastest steel roller coasters in Europe is 37 mph.
- The range of the speeds of the fastest steel roller coasters in North America is 43 mph.