# 14.02 Picture graphs

Lesson

## Are you ready?

Do you know how to keep a  tally  ?

### Examples

#### Example 1

Rosey asks 15 of her friends what their favourite colour is. Here are their answers:

pink, blue, yellow, blue, green, pink, blue, blue, blue, pink, pink, blue, green, pink, blue

Count the number of each colour and fill in the table.

Worked Solution
Create a strategy

Count the number of times she wrote each colour and put that number in the box.

Apply the idea

The answers have pink 5 times, green 2 times, blue 7 times and yellow 1 times.

Idea summary

We can use a frequency table to write a summary of the results with the number of times each item occurs.

## Picture graphs

### Examples

#### Example 2

A class were asked to vote which sport they would like to play in their next lesson. The votes are shown in the picture graph.

Each image represents 1 vote.

a

How many students are in the class?

Worked Solution
Create a strategy

Each image represents 1 vote by 1 student. Count the images in the graph.

Apply the idea
b

Worked Solution
Create a strategy

Choose the sport that has the most images next to it.

Apply the idea

Idea summary

Look at the key on a picture graph to help you understand what it is telling you.

### Outcomes

#### MA2-18SP

selects appropriate methods to collect data, and constructs, compares, interprets and evaluates data displays, including tables, picture graphs and column graphs M