Stat 515: Regression
Homework 1.
Due Friday, October 21
Required problems:
2.6 a) 1 condence limits for 1 :
b1 t1/2;n2 scfw_b1 = 4 2.306 0.4690 = 4 1.081514
This means that with condence coecient .95 we estimate that the mean number of
broken ampules wil
Stat 515: Regression
Homework 1.
Due Friday, October 21
Instructions: Problems are from the text Applied Linear Regression Models, Fourth Edition,
by Kutner, Nachtsheim, and Neter. Data can be found on the accompanying CD that is in the
back of the book.
Stat 515: Regression
Homework 1. Solution
Solutions of the required problems:
1.5 No, not quite: The simple linear regression model can be expressed with the formula:
Yi = + 0 + 1 Xi + i .
Stating what the response variable in the ith trial will be. The e