Naming different sampling methods Flashcards

1
Q

Bias

A

statistic from the sample collection is systemically skewed from the parameter of the population

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1
Q

Sample Variability

A

How much an estimate varies between different samples. Happens naturally from using different sampling methods polling different things.

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2
Q

Population

A

What group we want to know more about

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3
Q

Sample

A

Representative subset of population

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4
Q

Voluntary response

A

When the sample is made by those who elect to take part in the survey

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5
Q

Convenience

A

Not everyone has an equally likely chance of being in the sample

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6
Q

Undercoverage

A

When a part of the overall population is left out of the sample

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7
Q

Why not a census?

A
  1. Long time
  2. Expensive
  3. Population can change
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8
Q

Non-response

A

Participants are unwilling or unable to be part of the sample

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9
Q

Response

A

Participants are likely to respond falsely

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10
Q

Biased wording

A

Wording of questions influences accuracy of survey.

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11
Q

Simple random

A

Everyone equally likely to be selected

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12
Q

Stratified

A

Group in similar groups and randomly sample from each group

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13
Q

Cluster

A

Group in similar groups and sample an entire group

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14
Q

Systematic

A

Survey every nth

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15
Q

Multistage

A

combining mutiple types

16
Q

Voluntary

A

people voluntary submit their answer

17
Q

Convenience

A

Only polling subjects near you

18
Q
A