The relationship between the number of beers consumed (x) two hours and blood al

Question

The relationship between the number of beers consumed (x) two hours and blood alcohol content (y) was studied in 26 male college students by using least squares regression. The following regression equation was obtained from this study:

The above equation implies that:

a. On average it takes 1.8 beers to increase blood alcohol content by 1%

b. Each beer consumed increases blood alcohol by exactly 0.018

c. Each beer consumed increases blood alcohol by an average of amount of 1.8%

d. Each beer consumed increase blood alcohol by 1.27%

Explanation / Answer

Since of coefficient of x is 0.0180, this means that each beer consumed increases the blood alcohol level by an average of 0.018 or 1.8%, thus option C

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