As part of a needs assessment, a college committee would like to survey students through a questionnaire. Rather than sending the questionnaire to all students, they opt to send it to a sample....

As part of a needs assessment, a college committee would like to survey students through a questionnaire. Rather than sending the questionnaire to all students, they opt to send it to a sample. Specifically, they divide up the students based on the major they have chosen. They then select students randomly from each major while keeping the overall distribution of majors the same. What type of sampling was conducted?