Suppose that in a certain chemical process the reaction time y (hr) is related to the temperature (°F) in the chamber in which the reaction takes place according to the simple linear regression model with equation y = 4.40 − 0.01x and σ = 0.08. (a) What is the expected change in reaction time for a 1°F increase in temperature? For an 8°F increase in temperature?

b

step-by-step explanation:

if a was wrong then it has to be b it cant be c either because not all the y intercepts are the same!

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what's the question?

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there is no question.

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