Question
Calculate the Pearson product-moment correlation for the data below.
X 3 4 2 1
Y 5 5 3 4
X 3 4 2 1
Y 5 5 3 4
Answers
MathGuru
Using an online calculator:
4 data pairs (x,y):
( 3.00 , 5.00 ); ( 4.00 , 5.00 ); ( 2.00 , 3.00 ); ( 1.00 , 4.00 );
Regression equation:
y = 3 + .5x
Correlation Coefficient:
r = 0.674
Check with your own calculations.
4 data pairs (x,y):
( 3.00 , 5.00 ); ( 4.00 , 5.00 ); ( 2.00 , 3.00 ); ( 1.00 , 4.00 );
Regression equation:
y = 3 + .5x
Correlation Coefficient:
r = 0.674
Check with your own calculations.