Question

Q6. Coefficient of Determination, ?2 Find and interpret the coefficient of determination for the regression of DVD system sales on price, using the following data.

Sales      420    380    350    400     440     380    450     420
Price        98     194    244    207      89     261    149     198

thank you for yor help.

Answer 1

Solution:- r² = 0.6003, A coefficient of determination of 60.03% shows that 60% of the data fit the regression model.

r² = 0.6003

A coefficient of determination of 60.03% shows that 60% of the data fit the regression model