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Dataset Name: Wampler3 (Wampler3.dat)
File Format: ASCII
Certified Values (lines 31 to 50)
Data (lines 61 to 81)
Procedure: Linear Least Squares Regression
Reference: Wampler, R. H. (1970).
A Report of the Accuracy of Some Widely-Used Least
Squares Computer Programs.
Journal of the American Statistical Association, 65, pp. 549-565.
Data: 1 Response Variable (y)
1 Predictor Variable (x)
21 Observations
Higher Level of Difficulty
Generated Data
Model: Polynomial Class
6 Parameters (B0,B1,...,B5)
y = B0 + B1*x + B2*(x**2) + B3*(x**3)+ B4*(x**4) + B5*(x**5)
Certified Regression Statistics
Standard Deviation
Parameter Estimate of Estimate
B0 1.00000000000000 2152.32624678170
B1 1.00000000000000 2363.55173469681
B2 1.00000000000000 779.343524331583
B3 1.00000000000000 101.475507550350
B4 1.00000000000000 5.64566512170752
B5 1.00000000000000 0.112324854679312
Residual
Standard Deviation 2360.14502379268
R-Squared 0.999995559025820
Certified Analysis of Variance Table
Source of Degrees of Sums of Mean
Variation Freedom Squares Squares F Statistic
Regression 5 18814317208116.7 3762863441623.33 675524.458240122
Residual 15 83554268.0000000 5570284.53333333
Data: y x
760. 0
-2042. 1
2111. 2
-1684. 3
3888. 4
1858. 5
11379. 6
17560. 7
39287. 8
64382. 9
113159. 10
175108. 11
273291. 12
400186. 13
581243. 14
811568. 15
1121004. 16
1506550. 17
2002767. 18
2611612. 19
3369180. 20
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