Sampling

A card collector opens a drawer of sorted cards and after selecting a random starting poiny , takes out every fifth card. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

The principal randomly selects four classes and surveyed each student in those classes. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

A school chooses 3 randomly selected athletes from each of its sports teams to participate in a survey about  the school sports culture. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Ada wants to find what percent of students drink milk with their cereal. He randomly selects 50  students names from a hat. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Ada wants to find what percent of students drink milk with their cereal. He selects every tenth person who enters the school. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Ada wants to find what percent of students drink milk with their cereal. He randomly selects 10 students from each level. ( Year 1, Year 2, Year3). What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Ada wants to find what percent of students drink milk with their cereal. He randomly selects 3 classrooms and surveys every student in those classrooms. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

A teacher puts students names in a hat and chooses without looking to get a sample of 30 students. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Group the businesses according to the type: Media, Shipping, Retail, Financial, Tourism. Then select a random sample of 10 businesses from each business type. What kind of sampling technique is used?

• Simple random sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling