8) Circle the correct answer. Two variables have a correlation coefficient of r = 0.9. Thisindicates...a) A strong positive correlationb) A weak positive correlationc) A strong negative correlationd) A weak negative correlation9) Circle the correct answer. The residuals for a set of data represent the...a) Differences between consecutive x-valuesb) Vertical differences between data point and the line of best fitc) Data points that lie below the line of best fitd) Data points that do not lie on the line of best fit