CEO Khosrowshahi spent his first two months as CEO meeting with Uber teams and employees across the globe to seek their input on what the company needed to repair itself and move forward. Assume Khosrowshahi did not decide on what management style to utilize until after these observations. In this case, he would be utilizing the viewpoint.

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