Bias + Data

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.7.SP.A.1

CCSS.HSS.IC.A.1

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.7.SP.A.1

CCSS.HSS.IC.A.1

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.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.B.3

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

• Representative

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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.B.3

Determine if the following study is biased.

Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• A. Biased

• B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine if the following study is biased.

A public library asked every 10th person who entered to name the type of book they were getting.

• A. Biased

• B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

Tags

CCSS.7.EE.B.3

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

Tags

CCSS.6.SP.B.5C