Final answer:
The students should select a bar graph to show their budget for the family fun day. A bar graph is ideal for comparing the amounts spent in different categories.
Step-by-step explanation:
The students should select a bar graph to show their budget for the family fun day. A bar graph is ideal for comparing the amounts spent in different categories, such as rides, food, games, and decorations.
The height of each bar will represent the amount of money spent on each category. The graph should have a labeled horizontal axis for the categories and a vertical axis for the amount of money.