Communication in your courses may often occur through an online discussion board. The image below is of an online discussion board. If you wanted to post your comments in response to these comments posted by John, where would you click

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