AP Statistics Sampling Types and Bias

Source of bias that occurs when an individual chosen for the sample CAN'T be contacted or refuses to cooperate.

• Response Bias

• Undercoverage

• Nonresponse

• Voluntary Response

I want a representative sample of likely voters. I use a telephone directory to randomly select 200 people. What is the most apparent bias?

• Undercoverage

• Nonresponse

• Response

• Voluntary Response

I want to estimate the average number of hours SHS students spend playing video games. I sample all of my students. What kind of sampling bias is this?

• Non-response

• Voluntary

• Convenience

• Undercoverage

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

This occurs when a sample is collected in such a way that some members of the intended population are less likely to be included than others.

• sampling error

• sampling bias

• random sampling

• clustered sampling

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics

A sampling approach in which entire groups are chosen at random.

• Cluster Sample

• Systematic Sample

• Stratified Random Sample

• Simple Random Sample

• Convenience Sample

A sample of size 𝑛 in which each set of 𝑛 elements has an equal chance of being selected.

• Cluster Sample

• Systematic Sample

• Stratified Random Sample

• Simple Random Sample

• Convenience Sample

The population is divided into subgroups and random samples are taken from each subgroup.

• Cluster Sample

• Systematic Sample

• Stratified Random Sample

• Simple Random Sample

• Convenience Sample

Every 10th person is chosen.

• Cluster Sample

• Systematic Sample

• Stratified Random Sample

• Simple Random Sample

• Convenience Sample