Bias resources

Students are required to give reasons why the samples used to survey New Zealand school students on their favourite sports, may not be representative of the population.

Students decide on the best sample of students for a given survey and answer a multiple choice question. They also answer a question on sample size for best accuracy.

Students consider three different sampling methods for a survey and decide if each is a fair sample, explaining their answer.

Students read the description of a number of surveys and explain why the sample is biased.

A council survey is to be sent out, and students are asked to give examples of representative samples.