Concept explainers
a.
Identify the cases of the study.
Find the
b.
Check whether the study is an experiment or an observational study.
c.
Identify the variables of the study.
Classify the variables into categorical or quantitative.
d.
Identify the type of graph that can be used to display the results of the study for the number of active windows per lecture.
Identify the type of graph that is most appropriate to determine whether the maximum value of 174 is an outlier.
e.
Identify the type of graph that can be used to display the association.
Identify the statistic that can be used to quantify the association.
Identify whether it is a positive or negative association.
f.
Explain whether it can be concluded that students who allocate their cognitive resources to distracting websites during class get lower grades.
Explain the answer.
g.
Identify the explanatory and response variables for the association described in Part (c).
h.
Explain the design of the study that might allow us to take the conclusion in Part (f).
Comment on the feasibility of conducting such a study.
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