Is this a sample or a population?

Lesson 2
Measure of Central Tendency.
Use a new Excel workbook/spreadsheet for this assignment. The enrollments of the 13 public universities in the state of Ohio are listed below.
College
Enrollment
University of Akron
25,942
Bowling Green State University
18,989
Central State University
1,820
University of Cincinnati
36,415
Cleveland State University
15,664
Kent State University
34,056
Miami University
17,161
Ohio State University
59,091
Ohio University
20,437
Shawnee State University
4,300
University of Toledo
20,775
Wright State University
18,786
Youngstown State University
14,682
Is this a sample or a population?
What is the mean enrollment?
What is the median enrollment?
What is the range of the enrollments?
Compute the standard deviation.
In order to access the Excel Data File, Click HERE https://online.stratford.edu/pluginfile.php/2147135/mod_assign/intro/Excel%20Data%20Set.xls