Eye colour

Eye colour

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
This task is about creating different types of graphs.

Alice asked the students in her class the colour of their eyes.

This is what she found.

  

Colour of Eyes Number of Students
Brown 6
Blue 3
Hazel 4
Green 2
 
a)
 
Complete and label a bar graph below, to show the number of students and the colour of their eyes.
 
 
 
 

 

 

  
b) Complete and label the strip graph below to show the number of students and the colour of their eyes.

 

 

 

Task administration: 
This task is completed with pencil and paper only.
Level:
4
Curriculum info: 
Maths, Statistics, Statistical investigations
Keywords: 
bar graphs, strip graphs, graph construction
Description of task: 
Students complete and label a bar graph and a strip graph about eye colour from a table of information.
Curriculum Links: 
This resource can be used to help to identify students' ability to construct and label bar graphs and strip graphs.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Statistical investigations, set 5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
  

Y8 (05/1998)
a)
All bars drawn to correct height and labelled.
All bars of same width and separated.
Both axes correctly labelled.
Appropriate title given.
 

Eye Colours of Students

Eye colour.png
very easy
moderate
moderate
difficult
b)
Length of strips correct and labelled (in any order).

Eye Colour of Students
Appropriate title given.
moderate

 

very difficult
Diagnostic and formative information: 
Common errors
No title given.
Axes unlabelled.
Bars drawn touching – this should only be done for data which is continuous and not discrete.