I have to turn it in tomorrow night. There are two questions. 16 and 17.
I'm also gonna ask 19 and 20 right after this. The first person to answer 16 and 17 and then 19 and 20 will get brainiac!

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample