Statistics Homework Solutions 180

Statistics homework solutions 180

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 180 CHAPTER 7 0.2 (d) 0 ¨ ¡ ¤ Residual 0 956 ¢ y 0 0874x. ¨ The least-squares line is −0.2 −0.4 −0.6 1.2 1.8 2 1 207 ln x fits best. Its residual plot shows the least pattern. ¨ ¡ (f) 0 199 ¢ (e) The model y 1.4 1.6 Fitted Value ¨ 1 1 0.5 The residuals show no pattern with time. 0 −0.5 −1 0 10 20 30 40 50 ¡ 1 207 ln5 0 ¨ ¢ 0 199 ¨ ¨ ¡ 1 207 ln x fits best. The predicted value is y ¡ ¨ ¢ 0 199 2 14. ¨ ¨ ¡ (g) The model y (h) The 95% prediction interval is (1.689, 2.594). ¢ β0 β1 log10 x ¢ ¡ 9. (a) The model is log10 y ε. Note that the natural log (ln) could be used in place of log10 , but...
View Full Document

This note was uploaded on 12/20/2011 for the course STA 3163 taught by Professor Mattgilg during the Fall '11 term at UNF.

Ask a homework question - tutors are online