Concept explainers
a.
Find the cases in the studies cited by the university president.
Identify the two variables being discussed.
Identify each variable as categorical or quantitative.
b.
Identify which is the explanatory variable and which is the response variable.
c.
Check whether there appears to be an association between the variables according to the second sentence.
d.
Check whether the university president is assuming a causal relationship between the given variables.
e.
Check whether the cited studies appear to be observational studies or experiments.
f.
Write a name of the confounding variable that might be influencing the association.
g.
Check whether people can conclude that the information in the studies that single-sex dorms reduce the number of student hook-ups.
h.
Identify the common mistake made by the university president.
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