Research was conducted in 9 countries to determine the percentage of teenagers who had used marijuana and any other drugs. The research was done to explore whether research should be done on whether marijuana use might lead to doing stronger drugs. Do the statistical analyses below to show if further research is warranted. The results are summarized below. (Data Source: N. Gabrilopoulos, 2006) CountryMarijuana UseUse of Other Drugs Belgium173Canada224Finland51Ireland3716Italy198Japan63Portugal73Sweden2314United Kingdom5331 Is there a significant relationship between marijuana use and other drug use? In other words, should the research continue? Answer using the 5-step model for Hypothesis Testing as your Formate., Properly state the Null and Alternate hypotheses, the formulas used, use the Pearson Correlation coefficient table for 95% confidence, make the appropriate accept & reject statements. Create a Scatter Plot Graph to spot patterns. Title the chart. Draw a straight line to indicate the approximate position of the regression line through the scatter plot. Determine the Coefficient of Determination ‘r^2 * 100’: the percentage that the two sets of data are associated by.

Correlation between marijuana use and other drug

Answered: accept & reject statements. Create a…

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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Research was conducted in 9 countries to determine the percentage of teenagers who had used marijuana and any other drugs. The research was done to explore whether research should be done on whether marijuana use might lead to doing stronger drugs. Do the statistical analyses below to show if further research is warranted. The results are summarized below. (Data Source: N. Gabrilopoulos, 2006)

Is there a significant relationship between marijuana use and other drug use? In other words, should the research continue? Answer using the 5-step model for Hypothesis Testing as your Formate., Properly state the Null and Alternate hypotheses, the formulas used, use the Pearson Correlation coefficient table for 95% confidence, make the appropriate accept & reject statements.
Create a Scatter Plot Graph to spot patterns. Title the chart. Draw a straight line to indicate the approximate position of the regression line through the scatter plot.
Determine the Coefficient of Determination ‘r^2 * 100’: the percentage that the two sets of data are associated by.

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