Hurricanes in the North Atlantic (1910 to 2009)
Decade | Year | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Beginning | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 |
3 4 2 4 11 4 5 9 8 8 |
3 4 2 4 8 8 6 7 4 9 |
4 2 6 4 6 3 3 2 4 4 |
3 3 9 5 6 7 4 3 4 7 |
0 5 6 7 6 6 4 5 3 9 |
4 1 5 5 9 4 6 7 11 15 |
11 8 7 3 4 7 6 4 9 5 |
2 4 3 5 3 6 5 3 3 5 |
3 4 3 6 7 5 5 5 10 8 |
1 3 3 7 7 12 5 7 8 3 |
Explain that the histogram classes should be centred on 0, 1, ... rather than being (0 to 1), (1 to 2), etc.
Use the slider to change the histogram into a bar chart.
Explain that a bar chart is better than a histogram since it highlights the discrete nature of the data.
The data set shows the numbers of hurricanes in the North Atlantic each year from 1910 to 2009.
(Motivation could be assessment by a shipping company of the risk of delays to container ships.)