Stratified Systemic Convenience Cluster Simple Random Sample

A school assigns students an ID number upon registration and uses a random number generator to choose 100 students from the building to complete a school survey. This is an example of creating a:

• simple random sample

• voluntary response sample

• stratified random sampling

• convenience sampling

The instructor takes their sample by gathering data on five randomly selected students from each JJHS math class. The type of sampling they used is:

• stratified sampling

• simple random sampling

• cluster sampling

• convenience sampling

A teacher wants to know if their students are doing homework, so they randomly select rows two and five and then calls on all students in row two and all students in row five to present the solutions to homework problems to the class. This is an example of which sampling method?

• stratified sampling

• simple random sampling

• cluster sampling

• convenience sampling

"100 males and 100 females were chosen from the population." What type of sampling is this?

• Cluster Sample

• Simple Random Sample

• Convenience Sample

• Stratified Random Sample

Determine the type of sampling used in the following scenario: Ms. Dubovik samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?

• Simple

• Stratified

• Systematic

• Cluster

Determine the type of sampling used in the following scenario: Farmer Joe separates his apple tree farm into 10 regions.  He counts the number of apples produced in just one of the regions and uses that estimate to predict the number of apples produced on the whole farm.  This is _______ sampling.

• Simple

• Cluster

• Stratified

• Systematic

A sample obtained by putting individuals into like-groups and randomly choosing some from each.

• Cluster Sample

• Stratified Sample

• Simple Random Sample

• Completely Randomized Design

Which of the following surveying methods divides individuals by a shared attribute, then randomly surveys members within each attribute-group?

• Simple random

• Stratified random

• Cluster random

• Strategic Random

Determine the type of sampling used in the following scenario: An orange grower wishes to compute the average yield from his orchard. The orchard contatins 3 varieties: 50% of his trees are variety A, 25% of variety B, 25% of variety C. Suppose that the grower selects for his sample a 10 by 30 rectangular block of 300 trees of variety A, a 10 by 15 block of 150 B trees, and a 10 by 15 block of 150 C trees. What type of sampling is being used?

• Stratified Sampling

• Cluster Sampling

• Simple Random Sampling

• Convenience Sampling

The owner of a candy factory wants to check the quality of the product at her two locations. The candy is packed in cases of 24 boxes each. What is the BEST sampling method to ensure the sampling method is representative?

• Cluster Sample

• SRS

• Stratified Random Sample

• Systemic Random Sample