Jane set up an experiment with 7 types of dog food and 15 dogs. Each day she fed a different brand of dog food to the 15 dogs. Her results are recorded in the bar graph above.
What might be the question Jane is asking in her experiment?

A)
What dog food cost the most?
B)
Which dog food do dogs like the best?
9
Which dog food has the most real meat?
D)
How many dogs only like to eat in the morning?