Homework Assignments
Please turn in your homework on separate sheets of paper. Do NOT
tear out the pages of your book to hand in as your homework.
Due at the beginning of class; (R) indicates R data set
Homework 
Problems 
Due date 
1 
17(a,c,e,g,i,k,l,m), 112, 118, 217, 220 
Thu, May 30 
2 
38, 39, 316, 328 
Mon, June 3 
3 
413, 415, 419, 425 
Wed, June 5 
4 
512, 520, 523, 529 
Thu, June 6 
5 
67, 623(R), 625, 637 
Tue, June 11 (*) 
6 
78(b,e,h), 714(R), 724, 725 
Thu, June 13 
7 
826(R), 828, 835, 920 
Tue, June 18 
8 
911, 914, 109(R), 1015, 1030 
Thu, June 20 
9 
2616(R), 2622(R), 2633(R), 2713, 2716(R) 
Tue, June 25 
10 
2720 (use R to calculate correlation), 2822 (a  f only) (R), 2826 (R)
Optional practice problems: 2824, 286 (R), 287 (R) (will not be graded, but solutions will be provided) 
Wed, June 26 
11 
117, 118, 1113, 1115(ad only) 
Wed, July 3 
12 
125, 126, 1213, 1214 
Tue, July 9 
13 
136, 137, 138, 1310 
Thu, July 11 
14 
147, 149, 1412, 1413 
Tue, July 16 
15 
156, 157, 167, 168 
Wed, July 17 
16 
178, 1711, 1723, 1726 
Tue, July 23 
17 
188, 1810, 1819, 1821 
Thu, July 25 
18 
1911, 1914, 208, 2019 (in part b, change 22 to 22.5) 
Tue, July 30 
19 (optional  replaces 2nd lowest hw score) 
2111 , 2112 , 229 
Wed, July 31 
* We will not accept any late Homework #19 assignments.

InClass Activity Answers
The answers to the inclass activities from each topic in the text are available here. The username and password for these
solutions were given on the first day of class. If you cannot remember the username and
password, feel free to Email your instructor.
R Quick Help Instructions
Topic 6
To open R and RCommander
To read a data file into R
To change the order of the factor levels of a variable
To construct a bar graph
To construct a segmented bar graph
To copy a figure to a Word document
Topic 7
To construct a histogram of a variable
To edit features of a histogram
Topics 8,9
To compute the mean or median of a set of data
To compute all relevant numerical summaries for a set of data
To change a data value in an active data set
To delete a data value from a data set
To add new data to an active data set
To compute summary statistics for quantitative variables
for different groups
To create a new variable (data transformation)
Topic 10
To construct sidebyside boxplots
Topic 26
To construct a scatterplot of y vs. x
To construct a labeled scatterplot
Topic 27
To compute correlations between 2 or more variables
Topic 28
To find the least squares regression line of y on x
To save the residuals from a least squares regression fit
To construct a residual plot
To compute the logarithm of a variable
