A survey was conducted on the salaries of 20 randomly selected college graduates with degrees in the same subject area. Each person surveyed graduated within the same 5-year period. Ten of the people surveyed attended a private university, while the other 10 people surveyed attended a public university of roughly the same size.

Private Public
First Quartile $58,000 $35,000
Second Quartile (Median) $71,000 $42,000
Third Quartile $85,000 $54,000
Based on the samples, what generalization can be made?

Question

A survey was conducted on the salaries of 20 randomly selected college graduates with degrees in the same subject area. Each person surveyed graduated within the same 5-year period. Ten of the people surveyed attended a private university, while the other 10 people surveyed attended a public university of roughly the same size.

Private		Public
First Quartile	$58,000	$35,000
Second Quartile (Median)	$71,000	$42,000
Third Quartile	$85,000	$54,000
Based on the samples, what generalization can be made?

anonymous · Answer

Based on the samples, what generalization can be made?
The interquartile range for private universities is $27,000 more than for public universities.

The top ten percent of both the private and public university graduates surveyed earned more than $60,000 annually.

The top twenty-five percent of both the private and public university graduates surveyed earned more than $50,000 annually.

The interquartile range for public universities is $19,000 more than for private universities.