Review of Statistical Analysis
Frankfort Review Chapter-01.qxd
5/13/2005
12:20 PM
Page 1
A Review of
Descriptive Data Analysis
Descriptive Data Analysis for Nominal
Variables: Gender and Local Political
Party Activism
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between Two
Variables
Descriptive Data Analysis for Ordinal
Variables: Continuing Our Research
Example
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
I
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between
Two Variables
Descriptive Data Analysis for IntervalRatio Variables: Education and Income
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between Two
Variables
A Final Note
n the first eight chapters we have introduced you to methods researchers use to organize data and describe relationships between variables. We have presented the chapters sequentially to reflect five cumulative stages of data analysis:
1. Organizing the data using frequency distributions (Chapter 2)
2. Displaying the data using graphic techniques (Chapter 3)
1
Frankfort Review Chapter-01.qxd
5/13/2005
12:20 PM
Page 2
2— S O C I A L S T A T I S T I C S F O R A D I V E R S E S O C I E T Y
Figure 1
Flowchart of the Systematic Approach to Descriptive Data Analysis
Description of a Population
Organize Data
Interval-Ratio
Nominal or Ordinal
Grouped Frequency
Distribution
Frequency Distribution
Display Data
Interval-Ratio
Multiple Groups
Single Group
Frequency
Polygon
Histogram
Nominal or Ordinal
One or
Several Groups
One or
Several Pies
Change
5/13/2005
12:20 PM
Page 1
A Review of
Descriptive Data Analysis
Descriptive Data Analysis for Nominal
Variables: Gender and Local Political
Party Activism
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between Two
Variables
Descriptive Data Analysis for Ordinal
Variables: Continuing Our Research
Example
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
I
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between
Two Variables
Descriptive Data Analysis for IntervalRatio Variables: Education and Income
Organize the Data into a Frequency
Distribution
Display the Data in a Graph
Describe What Is Average or Typical of a
Distribution
Describe Variability Within a Distribution
Describe the Relationship Between Two
Variables
A Final Note
n the first eight chapters we have introduced you to methods researchers use to organize data and describe relationships between variables. We have presented the chapters sequentially to reflect five cumulative stages of data analysis:
1. Organizing the data using frequency distributions (Chapter 2)
2. Displaying the data using graphic techniques (Chapter 3)
1
Frankfort Review Chapter-01.qxd
5/13/2005
12:20 PM
Page 2
2— S O C I A L S T A T I S T I C S F O R A D I V E R S E S O C I E T Y
Figure 1
Flowchart of the Systematic Approach to Descriptive Data Analysis
Description of a Population
Organize Data
Interval-Ratio
Nominal or Ordinal
Grouped Frequency
Distribution
Frequency Distribution
Display Data
Interval-Ratio
Multiple Groups
Single Group
Frequency
Polygon
Histogram
Nominal or Ordinal
One or
Several Groups
One or
Several Pies
Change