NORTHWESTERN UNIVERSITY
Department of Statistics
Fall 2012
Statistics 210
Professor Savage
PROBLEM SET 1
In this problem set, you must show all your working and do all of the calculations longhand.
You may not use the mean or standard deviation functions
Stats Problem Set #4b
1.
The voters in a large city are 50% white, 30% black, and 20% Hispanic. Candidate Smith wins
60% of the white vote, 40% of the black vote, and 70% of the Hispanic vote. What is the
conditional probability that a voter is Hispanic g
Cristabel Ramos-Tirado 1
YELLOW TEAM
NEGOTIATION NOTEBOOK
The purpose of this Negotiation Notebook is to help you become a better interpersonal
negotiator whether the other party in the negotiation is your employer, subordinate,
coworker, customer
Introduction to Statistics- Exam #1- Version E
STAT 210
STUDENTS NAME:_
STUDENTS ID NUMBER:_
2
Circle your final answers to each Problem.
Problem 1 (3 points)
Round all of your final answers to four decimal places if necessary.
The probability distributio
NORTHWESTERN UNIVERSITY
Department of Statistics
Fall 2004
Statistics 210
Professor Savage
FINAL EXAMINATION
ALL QUESTIONS TO BE ATTEMPTED. There are eight questions. There is a maximum of
100 points on this exam. The maximum possible points are shown for
Section Problems 1 (Chapter 2 Part 1)
1.
Consider the following data set:
I/) ^ (^
250, 290, 300, 305, 330, 285
Are there any outliers in this data set? If so, what are they?
n
ZZ-J7JT
2.
Consider a data set that includes every whole number from 10 to 201
Section Problems 1 (Chapter 2 Part 1)
1.
Consider the following data set:
250, 290, 300, 305, 330, 285
Are there any outliers in this data set? If so, what are they?
2.
Consider a data set that includes every whole number from 10 to 201, and then every wh
STAT 210: INTRODUCTORY STATISTICS FOR THE SOCIAL SCIENCES
Winter 2017
MWF 12:00 12:50 AM, Tech Institute Lecture Room 3
Dr. Jeffrey T. Lewis (ECON)
347 Arthur Andersen Hall, 847-491-8238
[email protected]
Office Hours: Monday 2:00-3:00, Tuesd
Announcements
PS 4A,4B due Friday Oct 14th by 11:59pm
Next class: 4.7, 5.1-5.2
Prof. Daley Kutzman
STAT 210: LEC5
October 10, 2016
1 / 27
LEC 7: Agenda
Functions of random variables
Bernoulli and Binomial random variables
Jointly distributed random variab
Announcements
PS 4A,4B due Friday Oct 14th by 11:59pm
Next class: 5.1-5.2
Midterm next Friday Oct 21, in-class
50 minutes, about 30 points
Content:
Through Slide 9 of LEC 8
Ch1: 1, 2, 3, 5, 6
Ch2: 1, 2, 4
Ch3: 1, 2, 3, 5 and (102-105 of 3.4)
Ch4: 1, 2, 3,
Announcements
PS 6A,6B and PS 7A,7B due Friday Oct 28 by 11:59pm
Will open quizzes today
Note changes to 5A scores (+0.5)
Exams returned today
Next class: 6.2, 6.3
Prof. Daley Kutzman
STAT 210: LEC14
October 26, 2016
1 / 21
Midterm Evaluations
Lecture:
Cl
Stats Problem Set #4a
1.
The gene that governs albinism has two forms (called alleles), which we denote by a and A.
Each person has a pair of these genes, one inherited from each parent. A child inherits one of
each parents two alleles, independently and
Chapter 5- Part 1
5.1- Continuous Random Variables
A random variable is a continuous random variable if it can take any value in an interval.
Examples of continuous random variables:
1) The temperature on a particular day
2) The yearly income for a family
Function
-Strong enough to catch the ball and flexible enough to throw the ball
Objective:
-tensile strength/density (tenacity for fibers) yield strength/density?
-fatigue strength take a lot of the same impact before it breaks
-durable
-UV resistance
-wa
Describe the decision matrix that was followed by Smith Klein (SKB) in
determining their portfolio.
There are two overarching components to SKBs process of determining
their portfolio are sound technical assumptions and organization
credibility.
The deci
Cristabel Ramos-Tirado Yellow Team 1
Finance Homework #2 February 27, 2016
1) 4.6
Consider the following alternatives: 1:$100 received in 1 year 2: $200
received in 5 years 3. $300 received in 10 years.
A- Rank the alternatives from most valuable to
Liabilities
Fiscal Year
12 Month Ended
Current Ratio
Quick Ratio
Debt to Equity Ratio
Debt Ratio
2014
Kroger
2013
2012
0.78
0.82
0.72
0.13
4.61
82.19%
0.14
4.43
81.58
0.12
4.85
82.89%
2014
Publix
2013
2012
%
Times Interest Earned
6.43
6.15
5.98
Solvency a
Product Post Mortem: New Coke Failure Launch
Cola War.Its common knowledge that in the battle of the soft drink
wars, there are two major contenders: Pepsi and Coca-Cola. In the 80s,
Coca-Cola's market share had been steadily declining while Pepsi had
bee
HCC Should blend the benefits and retirement plans
from Huge Company and Computer Company in a way
that is sensible to the needs of their new organization
Software Engineer
Base/Culture
CC culture is
young, edgy
and casual
vs. HC
culture which
is older an
Hi Everyone Here's the summary for this assignment with responsibilities. I'd like to test out
"sub teams" for this assignment and see how it works. What this means is that
each sub team works on their own and on Tuesday next week we come together
and sha
Cristabel Ramos-Tirado
Materials Selection
Fall Quarter 2015
Homework Assignment for Week #3: The reflective stripes that marks
lanes in the street
State what are its functions.
oControls the position of moving traffic into lanes and shows the
road user w
Cristabel Ramos-Tirado
Homework #1 - Materials Selection: Managing Choices
1.
What are the performance requirements of the materials from which each chair is made?
List as many other requirements as possible. (6 points)
a. Resistance to sunlight (UV light
A
B
C
D
E
F
G
S-Mart Store Sales
2
3
4
5
6
Joint Probability
50
Store 2 Sales
10
0.2
20
0.3
30
0.1
Total Probability
0.6
40
Total Probability
0.1
0.3
0.1
0.4
0.2
0.3
0.4
Store
1 sales
1
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Announcements
PS 5A due Thursday Oct 20 by 11:59pm
Next class: 5.4, 5.6
Return Quiz 1 at end of class, 15pts
Midterm next Friday Oct 21, in-class
50 minutes, about 30 points
Content:
Through Slide 9 of LEC 8
Ch1: 1, 2, 3, 5, 6
Ch2: 1, 2, 4
Ch3: 1, 2, 3, 5
Announcements
PS 4A,4B due Friday Oct 14th by 11:59pm
PS 5A due Thursday Oct 20th by 11:59pm
Midterm next Friday Oct 21, in-class
50 minutes, about 30 points
Content:
Through Slide 9 of LEC 8
Ch1: 1, 2, 3, 5, 6
Ch2: 1, 2, 4
Ch3: 1, 2, 3, 5 and (102-105 of
Announcements
PS 6A,6B and PS 7A,7B due Friday Oct 28 by 11:59pm
Next class: 6.1-6.3
Will return exams on Wednesday.
Prof. Daley Kutzman
STAT 210: LEC13
October 23, 2016
1 / 21
LEC 13: Agenda
Normal distribution
Normal approximation for the Binomial distr
2m ﬁAE
Circle your final answers to. each Problem.
Round. a1: ofyour ﬁnal. answors to four decgnn' a1 piaces, if nnqosaary,
l
i
i
Problem 1 (3 points) J
The probability distribution of random variable X is given below: J
1
J —“
J
I J A second random varia
.ZE: 'Zb
Gil-clus- your ﬁnal-answers to each-Problem.
For #l‘a and #15: An SR8 of 2500’ adults asks if they agree with the statement “I support candidate /\
Smit .” Suppose that 50% of all US aduits would agree if asked this question, SO the population
NAME.
ID#
STAT 210- Quiz #% 2 5
This quiz is out of [0 points. There are if) problems on four pages. Probioms appear on the from am
back ofthose pages. Circle your ﬁnal answers.
I. Consider the joint probability distribution of X and Y:
.
NORTHWESTERN UNIVERSITY
Department of Statistics
Fall 2012
Statistics 210
Professor Savage
PROBLEM SET 7
Problem Set 7 is due at 3pm on Friday November 30. You can
collect your graded problem set and model answers from any TA
office hours during reading o