Final answer:
The best statement for the bar graph is that the most number of students consider dogs their favorite pet. The correct multiple-choice option is (a).
Step-by-step explanation:
The best statement for the bar graph is option A. The bar graph shows that the most number of students consider dogs their favorite pet, as the height of the bar representing dogs is highest among all the pets. Therefore, option A is the most accurate statement regarding the data shown in the graph.
The correct multiple-choice option is (a).