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Table 5 Responses: interpreting the representations for the single student context ( n  = 84)

From: Exploring variation in measurement as a foundation for statistical thinking in the elementary school

Code

Description

Example

Percentage

0

Description not related to the data

The way people measure.

8

 

No response (although drew representation)

 

6

1

Strict description of graph (no summary of message)

I used a bar graph to show V's arm span.

35

2

Description of variation

My graph shows the amount of difference with different tools and their measurements, the variation: 26 people, 13 different answers.

27

 

Description of expectation

The graph shows us that 141 cm is most likely to be S.

7

3

Description of both expectation and variation

In the variation of guesses their [there] were a lot of guesses around 1 m 50 cm so the answer would probably be around 1 m 50 cm. I also think this because it is not to[o] big or small.

17