Practice Data Representation in Statistics
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Organizing and displaying data in ways that make patterns and information easier to see and understand.
Raw data is like puzzle pieces scattered on a table - hard to make sense of. When you organize it into charts, graphs, or tables, the picture becomes clear. A bar chart of ice cream preferences instantly shows which flavor wins, while a list of 100 names wouldn't.
Example 1
easyA class recorded the number of pets owned by each student: 0, 1, 1, 2, 3, 1, 0, 2, 4, 1. Organise this data into a frequency table.
Example 2
easyWhich type of graph would be most appropriate to display the favourite ice-cream flavours of 30 students: a bar graph, a line graph, or a scatter plot? Explain.
Example 3
easyA student collected data on daily high temperatures (in °C) over two weeks. Should they use a bar graph or a line graph to display this data? Justify your answer.
Example 4
easyA cafeteria records the number of sandwiches sold each day for six weeks. Which display would best show the overall trend over time: a line graph, a bar graph, or a pie chart? Explain.