When ρ=1, we have a perfect positive linear relationship in the population; when ρ=−1, there is a perfect negative linear relationship in the population; and when ρ=0, there...When ρ=1, we have a perfect positive linear relationship in the population; when ρ=−1, there is a perfect negative linear relationship in the population; and when ρ=0, there is no linear relationship in the population. The C% confidence interval is found based on the middle C% of the distribution or by finding the values that put (100−C)/2 into each tail of the distribution with the qdata function.
