The extent to which government has contributed to health care​

Agroup of people who, because of their physical characteristics or cultural practices, are singled out and treated unequally.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

What are the roles of students against women violence? explain