The document is a seminar report from Duhok Polytechnic University's Shekhan Technical Institute public health department. The seminar topic was on random error and systematic error in epidemiology. It was supervised by Dr. Alla and included students Himat yousif, Walid hassan, and Yasser hassan. References used included websites discussing the differences between random and systematic error in experimental design, methodology, and statistics.

1. Duhok Polytechnic University
Shekhan Technical Institute
public health Departmeant
Subject : Epidemiology
Students:
Himat yousif
Walid hassan
Yasser hassan
Seminar:
Random Error And
Systematic Error
Supervised:
Dr.Alla

17. References
https://www.statisticshowto.com/experimental-design/systematic-
error-random-error/
https://www.scribbr.com/methodology/random-vs-systematic-
error/
https://www.thoughtco.com/random-vs-systematic-error-4175358