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Differences in heights

Differences in heights

Differences in samples can suggest differences in populations. This activity has data sets with height measurements for children of different ages.

The first three plots show the heights of 136 children at ages 2, 9 and 18 years.

 

 

The next three plots show the heights of the 136 children separated by gender at each age level.

 

 

Write a description of the differences observed for the first three plots and for the second three pairs of plots. Include a statement about your confidence in the differences between the populations they represent.

Examples related to rainfall can be found in Is There a Difference? and some teaching advice on meaningful differences and difficulties with informal inference is also provided.

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Yes

Name Class Section
Document Year 9: Identify everyday questions and issues involving at least one numerical and at least one categorical variable, and collect data directly fro... Infobox 3
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