Final answer:
The statement "c) The percentage of people who prefer salad for lunch is about the same no matter what their pet preference'" is true about the graph?
Step-by-step explanation:
The statement that is true about the graph is c) The percentage of people who prefer salad for lunch is about the same no matter what their pet preference. This conclusion can be drawn from the question's wording that several students participated in a two-question survey. Without specific data or percentages provided, we can infer that the graph shows consistent preferences for salad regardless of the type of pet someone prefers.
In a scenario where the percentage of people who prefer salad for lunch varies significantly based on their pet preference, the graph would display notable differences between the categories. However, since the statement suggests that the percentage is about the same, it indicates a uniform preference for salad irrespective of the type of pet chosen.
In summary, option c) is the correct choice because it aligns with the idea that the graph reveals a consistent percentage of people preferring salad for lunch, regardless of their pet preference. The wording of the statement and the nature of the survey lead to the conclusion that there is no significant variation in the preference for salad across different pet preferences.