Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 14 Oct 2017 My Price 8.00

Drug abuse

Drug abuse. In the exercises of the last chapter you examined results of a survey conducted in the United States and 10 countries of Western Europe to determine the percentage of teenagers who had used marijuana and other drugs. Below is the scatterplot. Summary statistics showed that the mean percent that had used marijuana was 23.9%, with a standard deviation of 15.6%. An average of 11.6% of teens had used other drugs, with a standard deviation of 10.2%.

a) Do you think a linear model is appropriate? Explain.

b) For this regression, is 87.3%. Interpret this statistic in this context.

c) Write the equation you would use to estimate the percentage of teens who use other drugs from the percentage who have used marijuana.

d) Explain in context what the slope of this line means.

e) Do these results confirm that marijuana is a “gateway drug,” that is, that marijuana use leads to the use of other drugs?

Answers

Maurice Tutor
(5)
Status NEW Posted 14 Oct 2017 10:10 PM My Price 8.00

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