PREDICT 410: Regression and Multivariate Analysis
Winter 2017
Syamala Srinivasan, Ph.D.
syamala.srinivasan@northwestern.edu
Skype Screen name: syamala.srinivasan
Office Hours: Mondays 7:00 9:00 pm CST (If you want to talk to me, you are free to call on Sk
Variability in Estimates
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
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Some images may be included under fair use guidelines (educational purposes)
Line Fitting,
Residuals, and
Correlation
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
The slides may be copied, edited, and/or shared via the CC BY-SA license
Some images may be included under fair use guidelines (educa
Examining the Central
Limit Theorem
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
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Some images may be included under fair use guidelines (educationa
One-sample mean with the tdistribution
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
The slides may be copied, edited, and/or shared via the CC BY-SA license
Some images may be included under fair use guidelines (educati
Observational studies
and sampling strategies
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
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Difference in two means
Slides developed by Mine etinkaya-Rundel of OpenIntro & Edited by Arend M Kuyper
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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
Introduction to Statistics- Exam #2- Version E
Circle your final answers to each Problem.
Problem 1 (4 points)
For #1a and #1b: An SRS of 2500 adults asks if they agree with the statement I support candidate
Smith. Suppose that 50% of all US adults would
NAME_
ID#
STAT 210- Quiz #lb
This quiz is out of 10 points. Note that there are 5 problems. Problems appear on the back of this pa
Use the method we used in class to solve each type of problem. Circle your final answers.
1.
Consider a data set that includ
NAME_
ID #_
STAT 210- Quiz #3b
This quiz is out of 10 points. There are 10 problems on four pages. Problems appear on the front and
back of these pages. Circle your final answers.
For #1-4: Consider the joint probability distribution of X and Y:
y=2
y=4
1
N
Stats Problem Set #7a
Remember that the notation we are using is: W(mean, standard deviation).
1.
A computer randomly generates a number (X) that ranges from 0 to 400. Consider the following
function: f \r
i = I VtxO*
function of* = 0 if * < 0'
y=fo,*0x
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
Stats Problem Set #7b
Remember that the notation we are using is: Af(mean, standard deviation).
1.
A computer randomly generates a number (X) that ranges from 200_to_300. Consider the
following function:
function of x = 0 if x < 200 '
function of x = O.Ol
Section Problems # 8 (Chapter 6)
Round all of your final answers to four decimal places if necessary.
1.
In the population, scores of students on Test X had mean ft = 70 and standard deviation a = 10.
An SRS of 50 students who took the exam is taken. Roun
STAT 210 Final Exam Review #1
1.
Test Z is a standardized test that all high school seniors take. The mean test score for a random
sample of 30 students who take the test is 76.2. The population standard deviation is 13. A high
school counselor hypothesiz
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:
.
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
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
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
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