Question

Many people believe that marijuana is a “gateway” drug to other drugs for teens. The scatterplot plot indicates that it is appropriate to use a linear model. The equation of the linear model is as follows: It is known that 50% of teens in a certain area use marijuana and the residual is 1%. What is the actual percentage of teens who smake other drugs in this area? %other =-3.068+0.615 (%weed)

a. 28.682% b. 51.00% c. 26.682% d. 27.682%

Answer 1

the regression equation is:-

the predicted percentage of teens who smoke other drugs in this area where 50% of teens use marijuana be:-

according to the problem:-

the actual percentage of teens who smoke other drugs in this area is = 28.682 % (a).

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