11.32 A chemist is interested in determining the weight loss y of a particular compound as a function of the amount of time the compound is exposed to the air. The data in the following table give the weight losses associated with n = 12 settings of the independent variable, exposure time. Weight Loss and Exposure Time Data Veight Loss, y (in pounds) Exposure Time Weight Loss, y Exposure Time (in hours) (in hours) (in pounds) 4.3 4 6.6 5.5 5 1.5 7 68 20

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11.32 A chemist is interested in determining the weight loss y of a particular compound as a
function of the amount of time the compound is exposed to the air. The data in the following table
give the weight losses associated with n = 12 settings of the independent variable, exposure time.
Weight Loss and Exposure Time Data
Weight Loss, y
(in pounds)
Exposure Time
(in hours)
Weight Loss, y
(in pounds)
Exposure Time
(in hours)
4.3
4
6.6
5.5
5
7.5
7
6.8
6
2.0
4
8.0
7
4.0
5.7
6.5
4.0
4
6
5.2
7
a. Detemine the least-squares prediction equation for model
y = Bo + B1 + e
b. Test Ho: B1 = 0; give the p-value for Test Ho: B1 + 0
Transcribed Image Text:11.32 A chemist is interested in determining the weight loss y of a particular compound as a function of the amount of time the compound is exposed to the air. The data in the following table give the weight losses associated with n = 12 settings of the independent variable, exposure time. Weight Loss and Exposure Time Data Weight Loss, y (in pounds) Exposure Time (in hours) Weight Loss, y (in pounds) Exposure Time (in hours) 4.3 4 6.6 5.5 5 7.5 7 6.8 6 2.0 4 8.0 7 4.0 5.7 6.5 4.0 4 6 5.2 7 a. Detemine the least-squares prediction equation for model y = Bo + B1 + e b. Test Ho: B1 = 0; give the p-value for Test Ho: B1 + 0
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