why are $x$ and $x2$ correlated? why are $x$ correlated? quizlet why does $x$ and $x2$ correlate? why is $x$ correlated why is the correlation between $x$ and $x2$ linear? what is the relationship between x$ and x2# why are $x$ and $x2$ correlated? why are pearson correlation coefficients used? why are pearson correlation coefficients important why is a relationship with a value of $x% compared to a value of $x%? why is a pearson correlation coefficient correlated why does a $x=2$ r relationship why is p r correlation coefficient measured why is the pearson correlation coefficient correlated why is the coefficient of pearson linear? why is $x2$ correlated why are pearson correlation coefficients used why is $x2$ correlated why is p value correlated why is correlation linear