Random Sampling and Data Collection

A ___ is a small portion of the population used to gather data from.

• Systematic Sampling Method
• Sample
• Population
• Bias

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A ___ is a large group that includes everything being studied.

• Sample
• Stratified Sampling Method
• Population
• Voluntary-Response

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

Tags

CCSS.HSS.IC.B.3

Identify the sampling design: SCPS wants to survey its employees.  They pick 4 schools from the county and survey every single employee in each of the 4 buildings.

• cluster
• volunteer
• systematic
• simple random

Tags

CCSS.HSS.IC.B.3

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Systematic Random Sampling
• Simple Random Sampling
• Volunteer response

Tags

CCSS.HSS.IC.B.3

The teacher samples her class by selecting all students sitting at group 1 and group 5 in her classroom. This sampling technique is called?

• SRS

• Stratified

• Systematic

• Cluster

Tags

CCSS.HSS.IC.B.3

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)

Tags

CCSS.HSS.IC.B.3

This sample consists of the entire population

• convenience
• census
• cluster
• simple

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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

• Cluster
• Convenience
• Volunteer
• Observational

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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

• mandatory
• census
• volunteer
• unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1