Statistics Practice!

A researcher assigns a number to every student in a school and then uses a random number generator to select 50 students for a survey. What sampling method is being used?

• Systematic sampling

• Simple random sampling

• Stratified sampling

• Cluster sampling

Tags

CCSS.HSS.IC.B.3

A teacher surveys every 10th student on an alphabetical list of all students in the school. What sampling method is this?

• Systematic sampling

• Convenience sampling

• Self-selected sampling

• Cluster sampling

Tags

CCSS.HSS.IC.B.3

A survey is posted online and anyone who wants to participate can fill it out. What sampling method is being used?

• Stratified sampling

• Self-selected sampling

• Cluster sampling

• Simple random sampling

Tags

CCSS.HSS.IC.B.3

A city is divided into neighborhoods, and one entire neighborhood is randomly selected. All residents in that neighborhood are surveyed. What sampling method is this?

• Cluster sampling

• Stratified sampling

• Systematic sampling

• Convenience sampling

Tags

CCSS.HSS.IC.B.3

A researcher divides a population into males and females, then randomly selects 20 males and 20 females to survey. What sampling method is being used?

• Cluster sampling

• Stratified sampling

• Simple random sampling

• Convenience sampling

Tags

CCSS.HSS.IC.B.3

A student surveys the first 10 people they see in the cafeteria. What sampling method is this?

• Convenience sampling

• Systematic sampling

• Stratified sampling

• Cluster sampling

Tags

CCSS.HSS.IC.B.3

A survey asks people about their illegal drug use. Many respondents choose not to answer truthfully. What type of bias is most likely present?

• Non-response bias

• Response bias

• Undercoverage bias

• Sampling bias

Tags

CCSS.HSS.IC.B.3

A phone survey is conducted, but many people do not answer the call or refuse to participate. What type of bias is this?

• Response bias

• Non-response bias

• Undercoverage bias

• Selection bias

Tags

CCSS.HSS.IC.B.3

A survey is conducted using only people who have landline phones, missing those who only use cell phones. What type of bias is this?

• Undercoverage bias

• Response bias

• Non-response bias

• Convenience bias

Tags

CCSS.HSS.IC.B.3

Given the data set: 4, 7, 8, 10, 11, what is the mean?

• 7.5

• 8

• 8.5

• 10

Tags

CCSS.6.SP.B.5C