All computation keep 4 decimal points.

1. (10 points) You are given the residuals for a simple regression model as follows,

Observation	Residual
1	0.0548
2	-0.6452
3	0.7320
4	0.1101
5	-0.2517

1. Calculate Durbin-Watson Statistic and make your decision.

2. Calculate all Z-scores and do normal probability plot