solution

Think about the proportion of students at your college who
are wearing clothing that displays the college name or logo today. Also suppose
that a friend of yours attends a different college, and the two of you have a
recurring discussion about which college displays more school pride. You decide
to measure school pride by the proportion of students at the college who wear
clothing that displays the college name or logo on a particular day. You want
to investigate whether this proportion differs between your college (call it
Exemplary Students University, ESU) and your friend’s college (call it Mediocre
Students University, MSU).

a. What are the observational units in this study?

 b. What is the response variable in this study? Is it
categorical or quantitative?

c. Would you use random sampling to select the observational
units? If so, explain why and how.

 d. Would you use random assignment to create the two groups
to compare? If so, explain why and how.

e. Draw and label a (blank) 2 × 2 table suitable for
summarizing the data

 
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