wws200
princeton university
spring 2014
HOMEWORK 6
due: monday, apr 7, 11am
INSTRUCTIONS
Make sure to save the R script as a (plain) text le. Write it so that we can just run
source("mkolesarHomework06.R",echo=verbose), and Ill get the answers.
If writi

wws200
princeton university
spring 2014
HOMEWORK 1
Due: Monday, Feb 17, 10am
1.
BASIC CONCEPTS
(a) In the 2006 gubernatorial election in California, an exit poll sampled 2705 of the
7 million people who voted. The poll stated that 56.5% reported voting fo

wws200
princeton university
spring 2014
HOMEWORK 2
Due: Monday, Feb 24, 11am
1.
PROBABILITY AND EVENTS
1. Suppose that a number x is to be selected from the real line, so that S = (, )
and let A = cfw_ x : 1 x 5 (meaning the event that x is between 1 and

wws200
princeton university
spring 2014
HOMEWORK 8
due: monday, apr 28, 11am
INSTRUCTIONS
Make sure to save the R script as a (plain) text le. Write it so that we can just run
source("mkolesarHomework06.R",echo=verbose), and Ill get the answers.
If writ

wws200
princeton university
spring 2014
HOMEWORK 7
due: monday, apr 21, 11am
INSTRUCTIONS
Make sure to save the R script as a (plain) text le. Write it so that we can just run
source("mkolesarHomework06.R",echo=verbose), and Ill get the answers.
If writ

wws200
princeton university
spring 2014
HOMEWORK 4
due: monday, mar 10, 11am
1.
COVARIANCE, SAMPLING DISTRIBUTIONS, AND THE NORMAL DISTRIBUTION
1. Let X1 and X2 be random variables that give the grade for question 1 and question
2 on this homework for a r

wws200
princeton university
spring 2014
HOMEWORK 5
due: monday, mar 31, 11am
INSTRUCTIONS
When a question asks you to interpret, compare, or evaluate something, be concise:
12 sentences at most. As usual, show your work.
Make sure to save the R script a

wws200
princeton university
spring 2014
HOMEWORK 9
optional, will be graded if handed in before monday, may 5, 11am
1.
OPTIONAL ANALYTICAL PROBLEMS
1. A survey collected data on height (Y, response variable, measured in inches) and
gender (X, explanatory

wws200
princeton university
spring 2014
MIDTERM EXAM I
INSTRUCTIONS (Read carefully before you begin)
1. The exam will end 50 minutes after it begins.
2. The exam consists of 4 questions for a total of 65 points.
3. If a question asks you to explain somet

wws200
princeton university
spring 2014
MIDTERM EXAM II
INSTRUCTIONS (Read carefully before you begin)
1. The exam will end 50 minutes after it begins.
2. The exam consists of 3 questions for a total of 50 points. Question 2(d) is optional
and carries 5 b

wws200
princeton university
spring 2014
FINAL EXAM
INSTRUCTIONS
Read carefully before you begin.
1. The exam will end 180 minutes after it begins.
2. The exam consists of 10 questions for a total of 180 points.
3. If a question asks you to explain somethi