Sampling Methods

At OCHS the administration wants to determine how long it takes students to eat lunch. They randomly select six tables and survey all students at each table. What type of survey is conducted?

• cluster

• stratified

• random

• systematic

At OCHS the administration wants to determine how long it takes students to eat lunch. They survey two students from each table in the cafeteria to see how long it takes. What type of survey is conducted?

• cluster

• stratified

• random

• systematic

At OCHS the administration wants to determine how long it takes students to eat lunch. They give each student in the cafeteria a numbered ticket and picks 30 numbers using a random number generator to see how long it takes. What type of survey is conducted?

• cluster

• stratified

• random

• systematic

At OCHS the administration wants to determine how long it takes students to eat lunch. They survey the first 10 students to leave the cafeteria to see how long it takes. What type of survey is conducted?

• cluster

• systematic

• random

• convenience

At OCHS the administration wants to determine how long it takes students to eat lunch. They survey every 10th student as they leave the cafeteria to see how long it takes. What type of survey is conducted?

• cluster

• stratified

• random

• systematic

At OCHS the administration wants to determine how long it takes students to eat lunch. They use a random number generator to select one grade and survey all the students in that grade to see how long it takes. What type of survey is conducted?

• cluster

• stratified

• random

• systematic

What type of variable is the hair color of the players the soccer team?

• Qualitative

• Quantitative

• Ratio

• Ordinal

What type of sampling is described: You want to select a simple random sample of 100 employees of Company X. You assign a number to every employee in the company database from 1 to 1000, and use a random number generator.

• Random

• Convenience

• Stratified

• Cluster

What type of sampling is: I wanted to see what store on the OC Boardwalk was the favorite, so I asked people as they walked by on a ramp.

• Random

• Convenience

• Stratified

• Cluster

Which type of sampling is described: Samples selected by using chance methods or random numbers?

• Random

• Convenience

• Stratified

• Cluster