Question: A chemist is interested in determining the weight loss y

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.
a. Determine the least- squares prediction equation for the model
y = β0 + β1x + e.
b. Test H0: β1 ≤ 0; give the p-value for Ha: β1 > 0, and draw conclusions.

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  • CreatedNovember 21, 2015
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