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Unformatted text preview: STA 3024: Regression Douglas Whitaker Department of Statistics 14 March 2012 Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 1 / 22 Importance of Graphing (Data 1) Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 2 / 22 Importance of Graphing (Data 2) Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 3 / 22 Importance of Graphing (Data 3) Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 4 / 22 Importance of Graphing (Data 4) Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 5 / 22 Importance of Graphing (All 4) Douglas Whitaker (Department of Statistics) STA 3024: Regression 14 March 2012 6 / 22 Confidence and Prediction Intervals Today we’re going to talk about making two very similar types of intervals: confidence intervals for the average value of Y at a given value of X prediction intervals for a specific (new) observation at a given value of X Because we are making statements about specific observations rather than averages, prediction intervals are wider than confidence intervals....
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 Spring '08
 TA
 Statistics, Regression Analysis, Prediction interval, Douglas Whitaker

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