Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 7 Notes: Joint Density
If X and Y are continuous random variables defined over the same sample space S. The joint
p.d.f. of (X, Y ), fXY (x, y) is a function such that for any subset A of the
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
YOUTH BIBLE STUDY 3/23/2016
Leviticus
Ive Been Built for This
WHATS GOING ON IN LEVITICUS?
God is constantly speaking to Moses on behalf of The Israelites
Follows on from the events of exodus
Leviticu
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
Jermell Witherspoon
Dr. Platt Psychology 374
January 16, 2016
The Behaving Brain
The video The Behaving Brain was very informative when it came to really
understanding how the human brain works and h
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
MY BIG BABY
Ways to prevent
Childhood
Obesity
1. Encourage
healthy eating
habits. Small
changes can lead to
a recipe for
success!
2. Remove calorierich temptations
Childhood Obesity
Common misconcepti
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
Jermell Witherspoon
Drug Summary
Methadone is a drug in the opiate category it decreases sensitivity to pain and increases
relaxation. Methadone has pain relieving chemicals in it called endorphins. W
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
When walking through my yard the first step in the perceptual process that leads
me to recognizing a particular interesting thing in my yard is the environmental
stimulus, which is the yard itself and
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
Jermell Witherspoon
PSY 355.01 Sensation and perception
05/27/2015
The world is a crazy placed made up of so many different components. It has always been
amazing to me how unique we are as people. Im
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
Atlantic Street Family Resource Center
Police Engagement Workshop
NAME:
FIRST Name and LAST Name
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Atlantic Street
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
Jermell Witherspoon
Reaction to Documentary, Unnatural Causes: Is Inequality Making Us Sick?".
When addressing the issue of sickness amongst ethnic minorities in America, I have
gathered from the vide
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
CORRELATION
Tina Vazin, Ph.D.
Correlation Coefficient
Statistic showing the degree of relation between
two variables
Simple Correlation coefficient (r)
It is also called Pearson's correlation
Product
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 1 Notes: Introduction to Course
1
Introduction and Overview
This class will give you an introduction to Probability Theory and the main tools of Statistics.
Probability is a mathematical forma
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 8 Notes: Underlying Variables
Lets recap what we have already learned about joint distributions of 2 or more random
variables, say
X1, X2, . . . , Xn
if X1, . . . , Xn are discrete, their joi
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 10 Notes: Covariance
The covariance of X and Y is a measure of the strength of the relationship between the two
random variables.
Definition 1 For two random variables X and Y , the covariance
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 9 Notes: Order Statistics
Let X1, . . . , Xn be independent random variables with identical p.d.f.s fX1 (x) = . . . = fXn (x) well generally call such a sequence independent and identically di
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 5 Notes: Discrete Random Variables
Definition 1 A random variable X has adiscretedistribution if X can take on only a finite
(or countablyinfinite) number of values (x1, x2, . . .).
Definition
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 3 Notes: Counting Rules and Probabilities
Recall that with simple probabilities, each outcome is equally likely, and for a finite sample
space, we can
give the probability of an event A as
n(A
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 4 Notes: Bayes Theorem
In the last lecture, we introduced conditional probabilities, and we saw the Law of Total
Probability as a way of relating the unconditional probability P (A) of an even
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 2 Notes: Probability of Events
So far, we have only looked at definitions and properties of events  some of them very
unlikely to happen (e.g. Schwarzenegger being elected 44th president), o
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2006
Lecture 6 Notes: Random Distributions
Suppose that a random variable is such that on some interval [a, b] on the real
axis, the
probability of X belonging to some subinterval [a, b] (where a a b b) i
Introduction to Economical Statistics and Mathematics
ECON 1045

Spring 2016
HOME VISIT RECORD
Childs Name Zerahiah Thomas _ Home Visitors Name _Jermell
Witherspoon _
Date of Visit _11/04/2015_ Length of Visit _30_ Visit
# _4_
Participating Adult _Mother_ Others Present _
Note