Population and scope

N = 3,150 students enrolled in the last three semesters of the Professional Schools in the different Areas: Engineering, Biomedical and Social; 380 teachers with more than 10 years of service in the UNAP and 278 administrative personnel with more than 10 years of labor service.

Sample size

n = 349

Sample error

e = 5%

Population size

N = 3,808

Confidence level

Z² = 1.96

Level of dissatisfaction

p = 0.2

Level of satisfaction

q = 0.5

Sample design

Simple random sampling