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Mathematical Methods — Question 3

QCAA 2025, Paper 1 · 1 mark

Q3 · 2025 · Technology-freeSimple familiar1 mark

QUESTION 3

A council wants to survey residents about a new dog park. Which sampling method would best minimise bias in the survey?
(A)
Questioning every third resident entering a supermarket near an existing dog park.
(B)
Collecting responses from residents who clicked a survey link on the website.
(C)
Asking residents visiting a dog park on a randomly selected day.
(D)
Selecting residents using a random number generator.
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