"Consider the regression line y = x + b where σ 2 ( X ) = 9 and σ 2 ( Y ) = 16 . What is the correlation between x and y ?"

Which of the following expressions are equivalent ?

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

What is 1.5% of 120 or what number is 1.5% of 120