# Sampling & Bias

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| By Dana Deuitch
D
Dana Deuitch
Community Contributor
Quizzes Created: 3 | Total Attempts: 2,130
Questions: 10 | Attempts: 1,806

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One Variable Statistics - Sampling & Bias

• 1.

### The Toronto Blue Jays want to survey their fans regarding a new promotion. They decide to survey 200 fans by using the same proportions of age groups (i.e. 5-16, 17-28, etc) as the population. Classify the sampling method.

• A.

Simple Random

• B.

Systematic

• C.

Stratefied

• D.

Cluster

• E.

Voluntary

• F.

Multi-stage

• G.

Convenience

C. Stratefied
Explanation
Same Proportion = Stratefied

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• 2.

### In order to get data about eating habits, you ask the 4 friends you are eating lunch with. Classify the sampling method.

• A.

Simple Random

• B.

Systematic

• C.

Stratefied

• D.

Cluster

• E.

Voluntary

• F.

Multi-stage

• G.

Convenience

G. Convenience
Explanation
People I am with = Convenience

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• 3.

### A restaurant wants feedback on how their customer service is so they decide to leave a survey on each table after a meal. Classify the sampling method.

• A.

Simple Random

• B.

Systematic

• C.

Stratefied

• D.

Cluster

• E.

Voluntary

• F.

Multi-stage

• G.

Convenience

E. Voluntary
Explanation
People don't have to fill in the feedback cards = Voluntary

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• 4.

### The principal of Huron Heights wants to find out what students think of the 9 applied math curriculum. He selects three of the twelve grade 9 applied classes and surveys all the students in those classes. Classify the sampling method.

• A.

Simple Random

• B.

Systematic

• C.

Stratefied

• D.

Cluster

• E.

Voluntary

• F.

Multi-stage

• G.

Convenience

D. Cluster
Explanation
3 Classes, All Students = Cluster

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• 5.

### The York Region District School Board wants to survey students about sleeping habits. They decide to randomly choose 4 high schools from across the region. They then pick 2 classes from each grade to survey. Classify the sampling method.

• A.

Simple Random

• B.

Systematic

• C.

Stratefied

• D.

Cluster

• E.

Voluntary

• F.

Multi-stage

• G.

Convenience

F. Multi-stage
Explanation
Two levels of sampling = multi-stage

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• 6.

### A Canadian radio station asks listeners to call in to voice their opinions on whether a Canadian figure skater should have won gold. Classify the type of bias present.

• A.

Sampling

• B.

Response

• C.

Measurement

• D.

Non-response

D. Non-response
Explanation
Radio talk show - people don't call in unless they have a strong opinion = Non-Response Bias

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• 7.

### Employees at a local fast food chain are asked to raise their hands if they feel that the management is doing a poor job, during a staff meeting. Classify the type of bias present.

• A.

Sampling

• B.

Response

• C.

Measurement

• D.

Non-response

B. Response
Explanation
Employees won't want to be fired / punished for saying management is bad, so they will lie by not putting up their hand = Response Bias. Remember not raising your hand is still a response.

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• 8.

### A survey asked the question: "Are you in favour of holding the Olympics in Toronto, even though your taxes may increase?" Classify the type of bias present.

• A.

Sampling

• B.

Response

• C.

Measurement

• D.

Non-response

C. Measurement
Explanation
Loaded question (trying to influence the answer through the wording of the question) = Measurement Bias

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• 9.

### People on the way out of the new James Bond movie are asked if they enjoy action movies. Classify the type of bias present.

• A.

Sampling

• B.

Response

• C.

Measurement

• D.

Non-response

A. Sampling
Explanation
People who go see action movies generally like action movies. Sampling Bias.

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• 10.

### Students are asked by their teacher whether they had ever cheated on a test. Classify the type of bias present.

• A.

Sampling

• B.

Response

• C.

Measurement

• D.

Non-response

B. Response
Explanation
Students who have cheated might lie to the teacher about cheating. Response Bias

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• Current Version
• Mar 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Nov 02, 2015
Quiz Created by
Dana Deuitch

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