The table defines the observed data values and the corresponding predicted values, based on a line of fit.


Observed Predicted
9 8.81
10 10.41
13 10.41
13 13.61
15 13.61
25 24.81
26 26.41
30 29.61


How many negative residuals does the data set have? How many positive residuals does the data set have?
6 negative residuals and 2 positive residuals
5 negative residuals and 3 positive residuals
3 negative residuals and 5 positive residuals
2 negative residuals and 6 positive residuals