(Solved): 4) For the dataset below, perform a regression and find the best-fit equation and coefficient of det ...
4) For the dataset below, perform a regression and find the best-fit equation and coefficient of determination. Then state how well the regression line fits the dataset. Use the shortcut (or computing) formulas. Make sure you show all necessary work.
Use the
Regression
Identity to find the Sum of Squared Errors for this regression.
X
5 15 20 25 30
Y X2 16
25 38 54 72
Y2 XY
What is the Correlation Coefficient of your dataset above?