The accompanying data represents the percentages of teenagers in various countries they have use certain drugs. Complete parts (a)thorough (c) below . a. determine the correlation coefficient between the percentage of teenagers who have used truck one in the percentage who have use other drugs. r=___ (Round to two decimal places as needed) b. find the equation of the regression line for the percentage of teenagers who have used truck one in the percentage who have use other drugs. Y=__x + (__) (round two to decimal places as needed) c. What percentage of teenagers can be anticipated to use illegal drugs other than drug 1 in a country where 10% of teenagers have used drug 1? ___ % (round to the nearest whole number as needed)
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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