r value in statistics means what is the r value for a variable? what does a positive r value mean what does r value mean for a variable what does a r value what does r mean in a simple variable what r value means? what is r value of 0 what does r mean in a r value what's the mean of a p value of 0.60 what does an r value of 0.2 mean what does an r value of 0 mean what is r value mean what's the difference between r values and r values what is a value of 0.60 in r what is r value of 0.60 mean do r values mean 60% what does an r value of 0.60 mean what is the meaning of an increase in r value what does the mean r value for the variable of a rvalue mean?