Lesson

Can you read information from a picture graphs ?

A poll was taken to find people's favorite cupcake flavors. The votes are shown in the picture graph.

a

How many people voted for Strawberry?

Worked Solution

b

What was the most popular cupcake flavor?

Worked Solution

Idea summary

Look for the key to know the value of each picture in a picture graph.

This video looks at how to make a dot plot from information provided in a table.

This video shows us how we can use a dot plot to interpret the results or answer specific questions about the data.

A group of adults is asked: "How old were you when you passed your driving test?".

The responses were:

17,\,17,\,20,\,17,\,22,\,18,\,22,\,18,\,22,\,18,\,22,\,17,\,19,\,18,\,18

a

Create a dot plot to find the most common age for someone in the group to have passed their driving test.

Worked Solution

b

How many people passed their driving test on or after their 19th birthday?

Worked Solution

Idea summary

Dot plots show us how many of something, using dots. The key is really important, because it tells us if each dot is worth 1, or more than 1.

Construct displays, including column graphs, dot plots and tables, appropriate for data type, with and without the use of digital technologies

Describe and interpret different data sets in context