11. Inferential Statistics

Beth is interested in which students from her school catch public transport. Select whether the following sampling methods are likely to be biased or not.

a

Selecting every $10$10th person on the bus she catches.

Biased

A

Not biased

B

Biased

A

Not biased

B

b

Selecting every $10$10th person on the student list.

Biased

A

Not biased

B

Biased

A

Not biased

B

c

Selecting the first $50$50 students that arrive in the morning.

Biased

A

Not biased

B

Biased

A

Not biased

B

d

Selecting by having a computer randomly choose student numbers.

Biased

A

Not biased

B

Biased

A

Not biased

B

Medium

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Understand statistics as a process for making inferences to be made about population parameters based on a random sample from that population.

Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.