Which of the following was not a point of contention during the constitution convention

In your opinion which are the 3 most important statistics to improve to promote a better future in america and why?

When were criminals first used to create a system to catch other criminals

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