CHAPTER 7

The quantity s = 281,777 is an estimate of the standard deviation of the deviations in the simple linear regression model. The degrees of freedom for s are . A) 69. B) 68. C) 67. D) 281,777. 28. A 95% confidence interval for the slope 1 in the simple linear regression model is . A) 7,897,179 ± 3,023,782. B) 7,897,179 ± 6,047,564. ................
................