Chapter 8
Estimation
Population parameter or sample
estimates of population parameters
The average income of all adult
Americans.
The percentage who favored
increasing affirmative action
programs in the Gallup survey.
The percentage of all Americans wh
Chapter 6
The Normal Distribution
Chapter 9 1
Properties of a Normal
Distribution
A normal curve of normal distribution looks
like a bell-shaped frequency .
The normal distribution is perfectly
symmetrical. Meaning if you fold a normal
distribution in h
Chapter 11
The Chi-Square Test and Measures of
Association
Chi-Square as a Statistical Test
Chi-square test: an inferential
statistics technique designed to test for
significant relationships between two
variables organized in a bivariate table.
Chi-squ
Chapter Five
Measures of Variability
Why use Measures of
Variability?
Although measures of central
tendency can be helpful, they only
tell part of the story.
When we use measures of central
tendency alone they may be
misleading rather than informing.
Meas
Chapter
Chapter 9
9
Testing Hypotheses
Statistical Hypothesis
Testing
Statistical hypothesis testing is a
procedure that allows us to
evaluate hypotheses about
population parameters based on
sample statistics.
Assumptions of Statistical
Hypothesis Testin
Chapter 7
Sampling and Sampling Distributions
Population
Researchers in the social science almost
never have enough time or money to collect
information about the entire group that
interests them.
The entire group is known as the population,
all the cas
Review for chapters 1-4
In 1995, the Bureau of the Census issued a report describing recent
and long-term trends in immigration (Current Population Reports, P20486), which included the variables listed below.
1. Identify the level of measurement of each o
1. Chi-square is
a. used for 2 X 2 tables only
b. a descriptive statistic only
c. a measure of the magnitude of association
d. a test for departure from independence
2. Chi-square is
a. a PRE statistic to describe the strength of association between two v
Chapter Four
Measures of Central Tendency
Measure of Central Tendency
Measures of Central Tendency are numbers
that describe what is average or typical of the
distribution.
In this chapter we will learn about three types
of measures of central tendency.
M
Castro 1
Independent Variable: Respondents Sex
Frequencies
Statistics
N
RESPONDENT
SEX BEFORE
S SEX
MARRIAGE
Valid
4901
3231
0
1670
Missing
Frequency Table
RESPONDENTS SEX
Cumulative
Frequency
Valid
Percent
Valid Percent
Percent
MALE
2131
43.5
43.5
43.5
F
Statistics
N
RESPONDENT
SEX BEFORE
S SEX
MARRIAGE
Valid
4901
3231
0
1670
2
4
Missing
Mode
Since my independent and dependent variables are both nominal variables, I only calculated the
mode for each of them.
Frequency Table
RESPONDENTS SEX
Cumulative
Freq
Crosstabs
Case Processing Summary
Cases
Valid
N
SEX BEFORE MARRIAGE *
3231
Missing
Percent
65.9%
N
1670
Total
Percent
34.1%
N
Percent
4901
100.0%
RESPONDENTS SEX
SEX BEFORE MARRIAGE * RESPONDENTS SEX Crosstabulation
RESPONDENTS SEX
MALE
SEX BEFORE MARRIAG
Chapter 13 Homework
Question 1
SPSS Problem (GSS10)
Use the GSS10 file to study the relationship between the number of
siblings a respondent has (SIBS) and his or her number of children
(CHILDS).Describe the relationship between the number of siblings a
r
Review for chapters 5-8
1. The appropriate measure of dispersion for nominal data is
a. range
b. number of modes
c. index of qualitative variation (IQV)
d. interquartile range (IQR)
2.
If the cases in a distribution are evenly split among the four values
Higher Education: Males versus Females
Roxanna Simon
Fundamentals of Statistics (SOC 003)
Professor Tortoris
26 July 2016
Statement of Problem
Do females obtain higher educational degrees, or do males? We have all heard, time and
time again, that males ea
Chapters 12-13 Review
Members of ethnic minority groups may fare differently depending on their regional location because
regions of the country differ in economic and population growth, labor markets, governmental services,
and political climate. Is ther
1. Chi-square is
a. used for 2 X 2 tables only
b. a descriptive statistic only
c. a measure of the magnitude of association
d. a test for departure from independence
2. Chi-square is
a. a PRE statistic to describe the strength of association between two v