Sampling & Bias

To learn about teenagers' opinions of different social media platforms, a survey was given to students of one high school. This sample is...

• representative

• biased

• random

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

16 out of the 20 people who called into a radio station said that they enjoy the station's morning programming. What type of bias is demonstrated here?

• Voluntary Response Bias

• Nonresponse Bias

• Undercoverage Bias

An employer wants to know how their 500 employees like working for them. Which is the most representative sample?

• Ask the first 75 people to show up for work

• Randomly select the names of 10 employees

• Poll the Employees of the Month for the past year

• Randomly select the names of 75 employees

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

To find out what sort of events they should plan, the student government officers at Truth send a survey to 30 students whose names were randomly selected. The population they are interested in is...

• The 30 students who were sent the survey

• Only the students who respond to the survey

• All students at Truth

• All middle school students in DC

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

To find out what sort of events they should plan, the student government officers at Truth send a survey to 30 students whose names were randomly selected. The sample is...

• The 30 students who were sent the survey

• All students at Truth

• The student government officers

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Which is an example of a random sample?

• Polling the first 10 people who enter a room

• Asking a survey question to people who call in

• Drawing 10 names from a hat

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Why should samples be randomly selected?

• for control

• to reduce bias

• so we don't get the same answers from everyone

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

A _______ is a part of a the group we are interested in gathering data on that is being surveyed.

• Representative

• Population

• Sample

Tags

CCSS.HSS.IC.B.4

A _________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Bias

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Leslie surveyed the 20 youngest students in the elementary school. What type of bias is this?

• Voluntary Response Bias

• Nonresponse Bias

• Undercoverage Bias