An Article describes results of a survey on the topic of college students in the US injuring themselves intentionally. Researchers invited 8300 undergraduates and graduates at Cornell and Princeton to participate in the survey. A total of 2875 students responded with 17% of them saying they had purposefully injured themselves. Indentifyeach of the following:

	the variable
	population
	sample
	sample size
	parameter
	statistic

a.	2875 undergrads and graduate students at Princeton and Cornell
b.	Whether or not they had purposely injured themselves
c.	college students
d.	8300 undergrads and graduate students at Princeton and Cornell
e.	2875
f.	8300
g.	proportion of college students who purposely injure themselves
h.	17% of students responding they had purposely hurt themselves
i.	all college students who had injured themselves
j.	all college students at Princeton and Cornell