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The following activity allows you to consider the types of information that you can and cannot conclude from survey results.
Average heights of 12-year-old Canadian students, by province
|Newfoundland and Labrador||156.5|
|Prince Edward Island||158.9|
|Source: Census at School, 2003-2004|
As a group, discuss which of the following statements you can support using only the survey results shown in the table above. If you decide that you cannot support a statement, indicate why not and state what additional survey information you would need to support the statement.
Statements for consideration
- On average, 12-year-old students in British Columbia are shorter than 12-year-old students in Nova Scotia.
- On average, 12-year-old boys in Manitoba are taller than 12-year-old boys in Alberta.
- On average, students in Newfoundland and Labrador are taller than students in Quebec.
- On average, 12-year-old students who live in Toronto are taller than 12-year-old students in Moncton.
- On average, 12-year-old students from Alberta are the shortest students in Canada.
Contributed by Florence Glanfield and Janelle Tang, University of Saskatchewan.