Type of samples - Exit Ticket

To do market research, a telemarketing firm randomly selected 1000 names from a store's database and contacted them. Classify the sampling method.

• simple random

• systematic Random

• voluntary

• convenience

When a random sample starting

point is chosen, followed by every

n-th individual, this sampling

method is

• simple random sampling

• stratified random sampling

• systematic random sampling

• Voluntarily random sampling

An easily accessible

sample is chosen

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Asking every fifth student in the sixth grade his

or her opinion on something.

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Example 8: Dr. Long wants to know student opinions regarding current cell phone policies. He randomly selects 100 students from each grade level and surveys those students regarding their opinion.

• Systematic

• Convenience

• Simple Random (SRS)

• Stratified Random

• Cluster Random

Determine the type of sampling used in the following scenario: Divide students into freshmen/sophomores and juniors/seniors and then conduct a survey about the amount of time spent studying.

• Systematic

• Simple Random

• Cluster

• Stratified

Determine the type of sampling used in the following scenario: Randomly generate 5 area codes from the state of New York and count the number of high school students for each high school in the area code region.

• Systematic
• Simple Random
• Cluster
• Stratafied

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

Determine the type of sampling used in the following scenario: Ms. Dubovik samples her class by selecting every third person on her class list.  Which type of sampling method is this?

• Simple
• Systematic
• Stratified
• Cluster

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