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  • Lesson 4-6: Regression and Median-Fit Lines P. 259: 1-9 oddkadamsmath.weebly.com/uploads/1/0/7/3/10736895/lesson_4... · 2019. 1. 8. · Lesson 4-6: Regression and Median-Fit Lines
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Lesson 4-6: Regression and Median-Fit Lines P. 259: 1-9 odd 1. a) = 1.18 + 11; 0.7181 b) The residuals appear to be randomly scattered so the regression line fits the data reasonably well. 3. a) = −271.88 + 554.48 b) $78.69 5. = 3.54 + 19.68; 0.9007 7. a) = 601.44 + 1236.13 b) about 18,076 9. a) = 0.095 − 94.58 b) c) about 48 tubs; about 380 tubs

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Page 1: Lesson 4-6: Regression and Median-Fit Lines P. 259: 1-9 oddkadamsmath.weebly.com/uploads/1/0/7/3/10736895/lesson_4... · 2019. 1. 8. · Lesson 4-6: Regression and Median-Fit Lines

Lesson4-6:RegressionandMedian-FitLinesP.259:1-9odd1.a)𝑦 = 1.18𝑥 + 11; 0.7181b)Theresidualsappeartoberandomlyscatteredsotheregressionlinefitsthedatareasonablywell.

3.a)𝑦 = −271.88𝑥 + 554.48b)$78.695.𝑦 = 3.54𝑥 + 19.68; 0.90077.a)𝑦 = 601.44𝑥 + 1236.13b)about18,0769.a)𝑦 = 0.095𝑥 − 94.58b) c)about48tubs;about380tubs

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