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Unformatted text preview: Outline Statistics as Estimators Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Estimators Michael Akritas Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function I Roughly speaking, the (1 )100th sample percentile separates the part having the (1 )100% smaller values, from that which has the 100% larger values. Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function I Roughly speaking, the (1 )100th sample percentile separates the part having the (1 )100% smaller values, from that which has the 100% larger values. I For example, the 90th sample percentile separates the largest 10% from the lower 90% values in the data set. Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function I Roughly speaking, the (1 )100th sample percentile separates the part having the (1 )100% smaller values, from that which has the 100% larger values. I For example, the 90th sample percentile separates the largest 10% from the lower 90% values in the data set. I The 50th sample percentile is also called the sample median . Michael Akritas Lecture 20 Chapter 6: Empirical Statistics: Data Graphics and Outline Statistics as Estimators Sample Percentiles Pearsons Sample Correlation Coefficient Spearmans Rank Correlation Coefficient The Regression Function I Roughly speaking, the (1 )100th sample percentile separates the part having the (1 )100% smaller values, from that which has the 100% larger values. I For example, the 90th sample percentile separates the largest 10% from the lower 90% values in the data set. I The 50th sample percentile is also called the sample median . I The 25th, the 50th and the 75th sample percentiles are also called sample quartiles . The 25th and 75th percentiles are the lower quartile and upper quartile , respectively....
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 Spring '00
 Akritas
 Statistics

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