Concept explainers
a.
Check whether the relationship between variables is mostly positive or mostly negative. Also, explain what does it mean for the two variables.
b.
Explain the happiness and ecological footprint of a country in the bottom left of the graph.
c.
Identify State C on the graph and find its ecological footprint score.
d.
Check whether a larger ecological footprint is associated with more happiness for ecological footprints between 0 and 6 and for ecological footprints between 6 and 10 and discuss the result in context.
e.
Identify which attributes fix a country in the upper left of the graph.
f.
Discuss about one observation of an association between regions.
g.
Explain how the efforts are directed for countries in the bottom left if the goal is to move all countries to the top left. Also, explain how the efforts are directed for countries in the top right.
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