>regress
>model clerks=constant+season
>estimate
CONSTANT
14.631 1.700
0.000 .
8.607 0.000
SEASON
-0.169 0.039
-0.852 1.000 -4.311
0.004
Analysis of Variance
Source
Sum-of-Squares df Mean-Square
F-ratio P
Regression
82.199 1 82.199
18.583 0.004
Residual
30.963 7
4.423
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Durbin-Watson D Statistic
1.995
First Order Autocorrelation
-0.107