A survey of major universities asked what percentage of inco

A survey of major universities asked what percentage of incoming freshmen usually graduate \"on time\" in 4 years. Use the summary statistics given to answer the questions.

Solution

b)

Q₁-1.5(IQR)=59.78-1.5(74.08-59.78)=38.33

Q₃+1.5(IQR)=74.08+1.5(74.08-59.78)=95.53

There aren\'t any outliers because all the values are between the fences.

c) The correct boxplot is B.