Joe wants to know if birds prefer to eat in one
place over another. He fills three feeders with the
same amount of mixed birdseed, and will keep the
feeders out for 10 days before measuring how
much seed is eaten. He puts one feeder in the
grass, one in a dead tree, and one in a bush.
What is the dependent variable?
A. Amount of time feeders are outside
B. Location of the birdfeeders
C. Amount of seed eaten
D. Type of bird seed
