Stat Analysis Bias vs. Unbiased

Divide the class into 4 groups and take a random sample of two students from each group.

• Bias

• Unbiased

Tags

CCSS.HSS.IC.B.3

Based on 13,000 responses from 45,000 surveys sent to its alumni, UMD estimated salary was $89,000.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Best Buy wants to know what TV's are popular. It surveys people that come into the store.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A car salesman wants to know how many people want a car. He calls every 5th person from a list.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A teacher wants to pick two students to display their homework. She draws two names from a hat.

• Bias

• Unbiased

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

The first 50 people in the park with dogs were asked if they liked unleashed dogs in the park.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Xbox randomly selects 1.5k out of 2k Xbox's They test to make sure they are working properly.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A female senator wants to know her approval rating. She sends surveys to only female voters.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1