Bias Sampling

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Bias Sampling

Description:

The aim of this lesson is to demonstrate how the results of a poll or other scientific study can be biased by selecting special types of people to respond or by asking only certain questions.

Education Levels:

3, 4, 5

Subject:

Statistics, Probability

Resource Type:

Lesson plan

Fee Status:

Free

Online provider:

American Association for the Advancement of Science

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Keywords:

Data, Classification, Bias, Polls, Surveys

Mediator:

Elementary school teachers

Publisher:

Science Netlinks

Is Part Of:

http://www.sciencenetlinks.com/

Language:

English

Subjects/Topics

P21 Subject:

Mathematics

Learning Outcomes:

Conforms To

Benchmarks for Science Literacy (1993)

9. THE MATHEMATICAL WORLD

D. Uncertainty

9D (3-5) #5 A small part of something may be special in some way and not give an accurate picture of the whole. How much a portion of something can help to estimate what the whole is like depends on how the portion is chosen. There is a danger of choosing only the data that show what is expected by the person doing the choosing.

This data provided by the Achievement Standards Network

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Bias Sampling

Bias Sampling

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Learning Outcomes:

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