Ethnic identity may be defined as one of the important identity that are mainly associated with the racial and the ethnic group. This might results in the positive attitude of the individual.
Ethnic identity has the direct effect on the that could might surprise the different individuals. The ethnic identity plays an important role in the education. This might also increase the culture understanding among the students.
Ethnic identity is defined as a sense of belonging based on one's ancestry, cultural heritage, values, traditions, rituals, and often language and religion.
In the case of stratified sampling the samples are divided into parts or groups and then samples for study are randomly chosen from these groups or parts. Here Kerikeri has divided up her day into three parts and she selects the blood pressure randomly from these parts. This is the example of stratified sampling.