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8.05 Sampling techniques

Interactive practice questions

Hannah has chosen to collect information using a sample instead of a census.

a

What are the advantages to doing a sample? Select all that apply.

It is cheaper to conduct.

A

There will be no sampling bias.

B

It's more accurate.

C

It takes less time.

D
b

What are the disadvantages to doing a sample? Select all that apply.

It's less accurate.

A

It takes more time.

B

It is more expensive to conduct.

C

There can be sampling bias.

D
Easy
< 1min

Peter has chosen to collect information using a census instead of a sample.

Easy
< 1min

For each of the following, select whether they are a census or a sample.

Easy
< 1min

For each of the following, select whether they are a census or a sample.

Easy
< 1min
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Outcomes

7.DSP.A.1

Understand that statistics can be used to gain information about a population by examining a sample of the population.

7.DSP.A.1a

Understand that a sample is a subset of a population.

7.DSP.A.1b

Understand that generalizations from a sample are valid only if the sample is representative of the population.

7.DSP.A.1c

Understand that random sampling is used to produce representative samples and support valid inferences.

7.DSP.A.2

Use data from multiple samples to draw inferences about a population and investigate variability in estimates of the characteristic of interest.

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