The population in this research is a group of students who are familiar with McDonald's shop. All levels by choosing a simple sampling method. Number of 100 people.
The study population was a group of research students who have used the McDonald's restaurant at all levels, by means of simple random sample of 100 people.
The population of this research is a group of students who have used the services shop McDonald 's at all levels โดยเลือก simple random sampling method. The 100 people.