4.1 Sampling and Surveys

What type of sampling? A journalist asks his family how they feel about water pollution.

• Simple Random sample

• Convenience sample

• Stratified Random sample

• Census

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What type of sampling? Twenty-five students are randomly selected from each grade level at a high school and surveyed about their study habits.

• Simple Random sample

• Convenience sample

• Stratified Random sample

• Census

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What type of sampling? Soybeans are planted ona 48-acre field. The field is divided into one acre subplots. A sample of plants is taken from each subplot to estimate the harvest.

• Simple Random sample

• Convenience sample

• Stratified Random sample

• Census

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What type of sampling? Law enforcement officials use a radar gun to measure the speed of every 5th vehicle on an interstate.

• Simple Random sample

• Convenience sample

• Stratified Random sample

• Systematic Random Sample

Tags

CCSS.HSS.IC.B.3

What type of sampling? A study on attitudes about smoking is conducted at Otterbein College. Students are divided by class (freshman, sophomore, junior, senior). Then a random sample is selected from each class and interviewed.

• Simple Random sample

• Convenience sample

• Stratified Random sample

• Census

Tags

CCSS.HSS.IC.B.3

This sample consists of the entire population

• convenience
• census
• cluster
• simple

This sample consists of units of the population that are easily accessible.

• Cluster
• Convenience
• Volunteer
• Observational

This sample consists of units of the population that chose to respond.

• nonresponse

• SRS

• voluntary response

• convenience

Tags

CCSS.HSS.IC.B.3

Every possible group of units of the required size has the same chance of being the selected sample as any other sample of the same size.

• Simple Random Sample

• Stratified Random Sample

• Systematic Random Sample

• All of these

Tags

CCSS.HSS.IC.B.3

This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.

• stratified

• cluster

• simple random sample

• experimental

Tags

CCSS.HSS.IC.B.3