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# exam1.studyguide - EXAM I STUDY GUIDE – STAT 326 Below is...

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Unformatted text preview: EXAM I STUDY GUIDE – STAT 326 Below is a study guide for material covered on Exam 1. Formulas available to you on the Exam are given on the corresponding Formula sheet. 1. Inference for Simple Linear Regression, Section 10.1, 10.2 10.3 (partially) in the text- book (a) Regression model for population μ y = β + β 1 x (b) Fitted least squares regression line (aka prediction line) estimated from data ˆ y = b + b 1 x (c) Interpretation of b and b 1 as well as of β and β 1 (interpretations within the context of the problem ) (d) Confidence interval for population slope β 1 i. b i ± t * SE b i ii. Standard error SE b of estimated intercept b iii. Standard error SE b 1 of estimated slope b 1 iv. Use Table D with df = n- 2 to obtain t * v. Interpretation of CI vi. Knowing how to read JMP output (e) Hypothesis testing for a significant linear relationship i. Hypothesis A. H : β 1 = 0 (no linear relationship) B. H a : β 1 6 = 0 (a linear relationship) β 1 < 0, or β 1 > 0 for one-sided alternatives...
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## This note was uploaded on 08/01/2011 for the course STAT 326 taught by Professor Genschel during the Spring '08 term at Iowa State.

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exam1.studyguide - EXAM I STUDY GUIDE – STAT 326 Below is...

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