lecture_22_f01 - Statistics 400 Lecture 22 ❚ Last Day...

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Unformatted text preview: Statistics 400 - Lecture 22 ❚ Last Day: Regression ❚ Today: More Regression Example (radiation): ❚ Test the hypothesis that the intercept is 0 with significance level 0.05 ❚ 95% Confidence Interval Estimation of the Mean Response at a Specified x ❚ Why would we want to compute the regression line? ❚ Estimated mean response at a specified x ❚ Prediction of a future response at a specified x ❚ What is the difference? CI for the Mean Response at a Specified x ❚ A confidence interval for the mean response is: )% 1 ( 100 α- Prediction Interval for a Single Response at a Specified x ❚ A prediction interval for a future response is: )% 1 ( 100 α- Example (radiation): ❚ Give a 95% confidence interval for the mean response when the radiation is 24 picocuries/L ❚ Give a 95% prediction interval for the a single response when the radiation is 24 picocuries/L Example (radiation):...
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This note was uploaded on 02/06/2012 for the course STAT 400 taught by Professor Derekbingham during the Fall '01 term at University of Michigan-Dearborn.

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lecture_22_f01 - Statistics 400 Lecture 22 ❚ Last Day...

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