STAT 704 Fall 2016
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Homework 4
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Do the following problems from the textbook:

2.1(a), 2.2, 2.3, 2.4, 2.7(a,b), 2.9, 
2.13(a,b,c), 2.16(a,b), 2.17, 2.18, 2.26(a,b,d)

NOTE: Problems 2.4, 2.7, 2.13, 2.16, and 2.26 require 
analysis using a computer package such as SAS or R.

The "Grade Point Average" and "Plastic Hardness" 
data sets are given on the course web page.

Please write your answers neatly and clearly!