Statistics for Environmental Engineers

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-0.7


=


0.3


21.3


3


21.5


0.3


21.8


0.27


+


0.3


=


0.6


22.1


4


22.0


0.0


22.0


0.46


+


0.0


=


0.5


22.5


5


22.5


-2.3


20.2


0.37


+


-2.3


=


-1.9


20.6


6


23.0


-1.9


21.1


-1.55


+


-1.9


=


-3.4


19.6


7


23.5


0.2


23.7


-2.76


+


0.2


=


-2.6


20.9


8


24.0


-0.3


23.7


-2.05


+


-0.3


=


-2.3


21.7


9


24.5


0.2


24.7


-1.88


+


0.2


=


-1.7


22.8


10


25.0


-0.1


24.9


-1.34


+


-0.1


=


-1.4


23.6

Summary of the Regression “Experiments”


Estimated Statistics


No Autocorrelation


Autocorrelation


II


о


p = 0.8


Intercept


20.1


21.0


Slope


0.43


0.12


Confidence interval of slope


[0.21, 0.65]


[-0.12, 0.35]


Standard error of slope


0.10


0.10


R2


0.68


0.12


Mean square error


1.06


1.22


Durbin-Watson D


1.38


0.91

TABLE 41.3


Durbin-Watson Test Bounds for the 0.05 Level of Significance

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