Sample Methods

Name the sampling method: Select every nth individual to be in the sample.

• Simple Random Sample

• Systematic Random Sample

• Stratified Random Sample

• Cluster Sample

• Convenience Sample

Name the sampling method: Divide the population into homogeneous groups, then select a random sample from each group.

• Simple Random Sample (SRS)

• Systematic Random Sample

• Stratified Random Sample

• Cluster Sample

• Convenience Sample

A sample that is not representative of the population is considered __________________.

• Systematic

• Equally likely

• Stratified

• Biased

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample

• Stratified Random Sample

• Voluntary Response

• Systematic Random Sampling

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 50 blocks and survey all households on each selected block. 
This is an example of:

• Simple Random Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

The names of 70 contestants are written on 70 cards. The cards are placed in a bag and three names are picked from the bag.

• Random

• Convenience

• Systematic

• Voluntary

Farmer Joe's apple tree farm is set up in 100 rows.  He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.  This is _____________ sampling.  

• Random

• Stratified

• Voluntary-Response

• Systematic

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

A population is divided into homogeneous groups, then individuals are pulled from each group to survey. What kind of sample does this describe?

• simple random sample

• systematic random sample

• stratified random sample

• convenience sample