One explanation for why Trump performed better at the ballot box than in the public opinion polls is that

Which of the following was discovered in the piedmont region of north carolina in 1799?

Why would it be hard to live in a city state

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