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Graduation?
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 that follow.
% on Time
Count
48
Mean
68.35
Median
69.90
StdDev
10.20
Min
43.20
Max
87.40
Range
44.20
25th %tile
59.15
75th %tile
74.75
a) Would you describe this distribution as symmetric or skewed? Explain.
b) Are there any outliers? Explain.
c) Create a boxplot of these data.
d) Write a few sentences about the graduation rates.
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