1. nola earns $62 per week walking
dogs. how much money does nola
make in one year? remember, one
year has 52 weeks.
@ $3,442
8 $3,224
© $3,124
0 $2,134

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