NIST/ITL StRD Dataset Name: Wampler4 (Wampler4.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 215232.624678170 B1 1.00000000000000 236355.173469681 B2 1.00000000000000 77934.3524331583 B3 1.00000000000000 10147.5507550350 B4 1.00000000000000 564.566512170752 B5 1.00000000000000 11.2324854679312 Residual Standard Deviation 236014.502379268 R-Squared 0.957478440825662 Certified Analysis of Variance Table Source of Degrees of Sums of Mean Variation Freedom Squares Squares F Statistic Regression 5 18814317208116.7 3762863441623.33 67.5524458240122 Residual 15 835542680000.000 55702845333.3333 Data: y x 75901 0 -204794 1 204863 2 -204436 3 253665 4 -200894 5 214131 6 -185192 7 221249 8 -138370 9 315911 10 -27644 11 455253 12 197434 13 783995 14 608816 15 1370781 16 1303798 17 2205519 18 2408860 19 3444321 20