Reading Data Displays

Pull values out of tables, bar graphs and circle graphs, and recognize when a graph misleads.

8 questions, free, marked as you go with a worked explanation on every one.

What this covers

Use the table below, showing the number of pets owned by each student in a class survey. How many students were surveyed in total?
The bar graph below shows the number of books read by four students in a month. How many more books did the top reader read than the lowest reader?
Use the table below, showing votes for class president. Which candidate received closest to one third of the votes?
A circle graph shows how a $60 allowance was spent: 50% on savings, 30% on games, and the rest on snacks. How many dollars were spent on snacks?
A circle graph divides a class's favourite subjects into slices. Which feature of a circle graph tells you the relative size of each category?
Use the table below, showing this week's temperatures for five days. Find the range of the temperatures, in degrees Celsius.
A newspaper graph shows a bar chart where the vertical axis starts at 40 instead of 0, making small differences between bars look huge. This is an example of:
A survey asked 80 students to name their favourite season. If 25% chose winter, how many students chose winter?