Netball averages

Netball averages

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about what is needed to work out an average.

In its last game, a netball team scored 45 goals.

Up to that time it had an average of 25 goals per game.

What else do you need to know to find out the average score after the final game?

(A) Nothing.
(B) The number of players in a netball team.
(C) The number of times they scored more than 25 goals.
(D) The number of games they played altogether.
(E) The number of times they scored fewer than 25 goals.
Task administration: 
This task is completed with pencil and paper only.
Level:
4
Curriculum info: 
Maths, Statistics, Statistical investigations
Keywords: 
mean
Description of task: 
Students decide what information is required to calculate an average.
Curriculum Links: 
This resource can be used to help to identify students' understanding of the mean (average).
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: 
 

Y7 (10/1996)

Y8 (10/1996)
a) D moderate moderate