Answer:
It is not possible for me to accurately answer your question as the data provided in the table is incomplete. In order to determine the most appropriate type of graph to visually show whether a relationship exists between the type of animal and the weight classification, I would need more information about the data, such as the number of cats and dogs in each weight classification.
There are several types of graphs that could potentially be used to show a relationship between two variables, such as a bar chart, a pie chart, a scatter plot, or a line graph. The choice of which type of graph to use will depend on the nature of the data and the specific relationship that you are trying to visualize. It is important to choose a graph that is appropriate for the type of data you are working with and that effectively communicates the information you are trying to convey.