Intersecting, parallel or perpendicular. Write the correcta 1. The letter X
2. Corners of the door
3. The capital letter L
4. The hands of the clock at 3:00
5. Lines found in a Grade 4 pad paper
D.
Study the hands of the clocks.
a​

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