Question

-/6 points PeckDevStat7 14.E.029. My Notes Ask Your The article The Undrained Strength of Some Thawed Permafrost Soils" contained the accompanying data on the following. y shear strength of sandy soil (kPa) x depth (m) x2-water content (%) The predicted values and residuals were computed using the estimated regression equation where x3-x12, x4 x22, and xs x12 x2 Predicted y Residual 14.7 48.0 25.6 100 16.0 16.8 8.9 36.6 31.5 27.0 25.9 39.1 39.2 38.3 33.9 33.8 279 33.1 26.3 37.8 34.6 23.35 46.38 27.13 -8.65 1.62 1.53 6.1 6.9 6.9 14.10 16.54 23.34 25.43 15.63 24.29 15.36 29.61 15.38 7.96 1.90 0.26 -2.64 38.8 16.9 27.0 16.0 24.9 7.3 1.27 0.64 4.5 9.9 2.9 4.84 (a) Use the given information to compute SSResid, SSTo, and SSRegr. (Round your answer to four decimal places if needed.) SSTo SSResid SSRegr (b) Calculate R2 for this regression model. (Round your answer to three decimal places if needed.) (c) Use the value of R2 from Part (b) and a o.05 level of significance to conduct the appropriate model utility test. (Round the answer to two decimal places.) The null hypothesis is Select You may need to use the appropriate table in Appendix A to answer this question

Answer 1

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no. 일 Predictor vafab 6 759 5 (1-0459)JC14-1511) o,1518 0、080135 o.241) / 8 s Scanned with CamScanner

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