On October 23rd, 2014, we updated our
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This graph shows a positive correlation . This means that there is a relationship between the 2 variables, e.g. rich countries have more football success This graphs does not show a correlation . There is no relationship between the two variables, e.g. being richer does not mean being better at football
Now look at this graph: Is there a correlation?
What other reasons explain why some nations are better at football than others?
What do you think is the most important factor in determining how successful a nation is at football?
Now we have analysed the two graphs, re-
write the two sentences, were you right or
Poor countries can be as good at football as richer countries
Countries with large populations are better at football than those with small populations