DATA_ELEMENT_DESCRIPTION.csv defines each data element and indicates where its description is found in Data Sources, Definitions, and Notes.
DEFINED_DATA_VALUE.csv defines the meaning of specific values (such as missing or suppressed data).
HEALTHY_PEOPL
Autocorrelation
Autocorrelation
1 n
Yi Y Yi j Y
n 1 i 1
rj
sY2
Yi j means Yi at j time periods ahead of
itself
Autocorrelation with j 0 is exactly 1
Autocorrelation used primarily for time
series
Autocorrelation tells us how much Y is like
itself aft
GCU 495
Study Guide for Final Exam
Introduction:
Know the difference between descriptive and inferential statistics
Know the difference between data types: nominal, ordinal, interval and ratio
Descriptive Statistics:
What is the meaning of central tend
Name
Jesus Esparza
Assignment 1. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Chapter 1, Problem 4
a) Ratio
b) Ratio
c) Ratio
d)
e)
f)
Ratio
Nominal
Interval Fixed Scale
g)
N
Name
Assignment 6. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Problem 1.Is the proportion of men with a BS or BA (coded as 5 in the
education column)higher than the proport
Name
Jesus Esparza
Assignment 3. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Chapter 3, Problem 10
Graph including everything in a) b) and c). Dont do d).
Chapter 4 Problem
Name
Jesus A Esparza
Assignment 2. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Chapter 3, Problem 4
a)
R formula
value
mean
sum(LifeExpectancy)/length(LifeExpectancy)
65.355
Probability
Introduction
Probability applies to repeated events, to
many cases over a long period of time.
Probability is the chance or likelihood that
an event will actually take place.
Rules of Probability
The probability of an event actually taking
Name
Jesus Esparza
Assignment 4. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Chapter 5, Problem 10
a) verify sum of P(X)=1
Yes, P(x) is equal to 1.
b) E(X)
1.05
c) V(X)
1.25
Name
Jesus Esparza
Assignment 5. Please fill in the yellow areas with your
text or numeric answer. Please fill in the blue areas with a
graphic generated in R
Chapter 6, Problem 6
In cluster sampling, it important to have multiple groups of samples becaus