For a month, Mrs. McCoy's science class recorded the low temperature each day. Daily low temperature (°F)
44
40
48
52
56
60
What was the upper quartile of the temperatures?
°F

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