Mean • Variance • Standard deviation • Standard error ...

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Quantitative Methods in Genetics • Mean • Variance Standard deviation Standard error • Chi-Square Analysis

Transcript of Mean • Variance • Standard deviation • Standard error ...

Page 1: Mean • Variance • Standard deviation • Standard error ...

Quantitative Methods in Genetics

• Mean • Variance• Standard deviation• Standard error• Chi-Square Analysis

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Statistical Analysis

• Mean (X) = ∑Xi/n• Variance (s2) = (∑Xi – X)2/n-1• Standard deviation (s) = √s2

• Standard error = sd / n-1

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Product/Sum Law

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Null Hypothesis

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Errors

• Type I• Type II

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Chi-Square Analysis

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Degrees of freedom

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Example

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Table