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Geography / Grid maps and scale / Grade 12 / ggcc0

Avoid Guessing Individual Traits from Regional Data - Practice 1

A regional association is not automatically an individual association.

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A regional association is not automatically an individual association. Averages can conceal variation within places. To make claims about people, obtain suitable individual-level evidence with appropriate consent and privacy protections. All examples here are invented.

Worked example

A district with more libraries has higher average reading scores. That alone does not show that every library visitor has a higher score.

A district with more libraries has higher average reading scores. That alone does not show that every library visitor has a higher score.
A district with more libraries has higher average reading scores. That alone does not show that every library visitor has a higher score.
Question 1 Fictional district analysis 1: places with more libraries have higher average reading scores. Which conclusion is warranted by this evidence alone?
Question 2 Fictional district analysis 2: places with more parks have higher average walking minutes. Which conclusion is warranted by this evidence alone?
Question 3 Fictional district analysis 3: places with more bus routes have higher average transit use. Which conclusion is warranted by this evidence alone?
Question 4 Fictional district analysis 4: places with more gardens have higher average plant knowledge. Which conclusion is warranted by this evidence alone?
Question 5 Fictional district analysis 5: places with more sports fields have higher average exercise time. Which conclusion is warranted by this evidence alone?