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Sample surveys

Published on Nov 25, 2013

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PRESENTATION OUTLINE

1.

Sample surveys

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2.

Purpose

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3.

bias OR error?

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4.

randomize

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5.

does size matter?

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6.

parameters

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7.

statistics

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8.

STRATIFIED

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9.

CLUSTER

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10.

SYSTEMATIC

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11.

SIMPLE RANDOM

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12.

VOLUNTARY/CONVENIENCE

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13.

BIAS

VOLUNTARY,CONVENIENCE,NONRESPONSE,UNDERCOVERAGE,RESPONSE
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Amy Sanga

www.techlifeteacher.com