The test scores of 6 randomly picked students and the numbers of hours they prepared are as follows:
Hours: 5,10,4,6,10,9
Source: 64, 86,69,86,59,87
The equation of the regression line is = 1.06604x + 67.3491. Find the coefficient of determination.
Answer
-0.2242
0.0503
0.2242
0.6781