Percent Who Have Used Country Marijuana Other Drugs Czech Rep. 22 4 Denmark 17 England 40 21 Finland 1 Ireland 37 16 Italy 19 8 No. Ireland 23 14 Norway Portugal 7 3 Scotland 53 31 United States 34 24 ) Create a scatterplot. ) What is the correlation between the percent of teens who have used marijuana and the percent who have used other drugs? -) Write a brief description of the association. d) Do these resulte
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
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