AP Statistics Curriculum 2007 NonParam VarIndep

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[[AP_Statistics_Curriculum_2007 | General Advance-Placement (AP) Statistics Curriculum]] -  Variances of Two Independent Samples
[[AP_Statistics_Curriculum_2007 | General Advance-Placement (AP) Statistics Curriculum]] -  Variances of Two Independent Samples
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==Differences of Variances of Two Independent Samples==
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==Differences of Variances of Independent Samples==
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TBD
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It is frequently necessary to test if ''k'' samples have equal variances. Equal variances across samples is called ''homogeneity of variances''. Some statistical tests, for example the [[AP_Statistics_Curriculum_2007_ANOVA_1Way | analysis of variance]], assume that variances are equal across groups or samples.
==Approach==
==Approach==
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==References==
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==Alternative tests of Variance Homegeneity==
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* TBD
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* [http://en.wikipedia.org/wiki/Levene_test Levene Test]
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* [http://en.wikipedia.org/wiki/Bartlett's_test Bartlett Test]
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* [http://en.wikipedia.org/wiki/Brown-Forsythe_test Brown-Forsythe_test]
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Revision as of 01:13, 16 March 2008

General Advance-Placement (AP) Statistics Curriculum - Variances of Two Independent Samples

Contents

Differences of Variances of Independent Samples

It is frequently necessary to test if k samples have equal variances. Equal variances across samples is called homogeneity of variances. Some statistical tests, for example the analysis of variance, assume that variances are equal across groups or samples.

Approach

TBD

Model Validation

TBD

Computational Resources: Internet-based SOCR Tools

TBD

Examples

TBD

Hands-on Activities

TBD


Alternative tests of Variance Homegeneity




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