Concept explainers
a.
Write the meaning of the positive association between given two variables.
Explain the reason why the positive relationship makes sense in the given context.
b.
Write the meaning of the negative association between the given two variables.
Explain the reason why the negative relationship makes sense in the given context.
c.
Draw a
Check whether there is a positive or negative relationship.
Check whether there are any outliers. If any outliers are present, then indicate the country associated with each outlier and describe the characteristics that make it an outlier for the scatterplot.
d.
Check whether it appears that that the remaining countries have a positive or negative relationship between the two variables if outliers are eliminated from the scatterplot.
e.
Find the
Check whether the correlation is affected by the outliers.
f.
Check whether it can be concluded that faster connection speed causes people to spend more time online.
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