Relevance of Statistics
in Management
in
Chapter 1
Key Points
Key
Relevance of Statistics to Management
Relevance
and Business
and
Reducing Uncertainty in Decision Making
Types of Statistical Information
Relevance of Statistics to
Management and Business
Survey Method
We will be conducting a survey on customer satisfaction of Verizon Wireless. The survey
will be administered to current Verizon customers who are enrolled in any of their wireless
services. These services include minutes, data, and texting t
Basics of the Survey
Research Process
Research
Survey Humor
Survey
Key Points
Key
Steps in the Survey Research Process
Validity and Reliability of the Survey
Validity
Instrument
Instrument
Key points for Survey Design and Item
Key
Writing
Writing
Designin
Univariate Analysis:
Univariate
Regression
Chapter 16
Univariate Technique
Univariate
Regression Analysis:
One numeric criterion variable (Y)
One numeric
One or more numeric or categorical predictor
One
numeric categorical
variables (X)
variables
One pred
Factor Analysis
Factor
Multivariate Technique
Ch. 18
Multivariate Techniques
Multivariate
Allow more than one numeric DV
Allow
numeric
Factor Analysis
Analysis of the dimensionality of three or more
Analysis
numeric variables
numeric
Construct
I1
I2
I3
I4
Qualitative Data Analysis
Chapter 14
Qualitative Data Analysis
For Categorical or Non-numeric data only
Common Examples
n
n
n
n
Job Type
Demographic Variables like Gender, Race,
Education level
Organizational Division/Industrial Sector
Comments to open-en
Establish Validity &
Reliability before
Creating Scale Scores
Creating
Lecture Only
How do we know scores are
How
meaningful and accurate?
meaningful
First step to take with your group project data
First
once it has been cleaned/prepped
once
Test each fac
Forecast Modeling
Forecast
Forecast Models
Forecast
Purpose:
Determine which method of forecasting
Determine
results in predictions with smallest margin
of error
of
Test various solution models
The best solution becomes a
The
recommendation to the deci
Univariate Techniques:
Univariate
ANOVA
Chapter 13
Analysis of Variance
Analysis
ANOVA:
Testing unidirectional paths
Only 1 Dependent V./Criterion V. allowed in
Only
analyses
analyses
DV must be numeric
DV
numeric
Ex., Extraversion influences Sales Perfor
Descriptive Statistics
and Correlation
and
Chapter 7, pp. 342-354
Basic Statistics: Mean
Mean the average score for a group
Sensitive to extreme scores and skew
Sensitive
Name
Amy
Craig
Susan
Mike
Monica
Mean
Satisfaction
Satisfaction
Score
5
5
1
2
4
3.4
The Normal Distribution
The
Ch. 8
Continuous Probability
Distributions
Distributions
Continuous random variable
Theoretically, can assume any value on a
Theoretically,
continuum
Can treat Likert scaled data as continuous
Ex., Time required to complete a t
Population Sampling
Population
Chapter 9
Sampling
Sampling
Advantages of Sampling over Census
Sampling Error
Sampling Procedure
Probabilistic vs. Nonprobabilistic
Probabilistic
techniques
techniques
Sampling
Sampling
Sample: a part of a specified populati
Designing
Organizational
Research
Research
Chapters 2 and 5
Key Points
Key
Types of Organizational Research
Developing a Conceptual Model with
Developing
Conceptual Definitions
Conceptual
Designing a Measurement Model with
Designing
Operational Definition
Data Collection Methods
Data
Chapters 2 and 5
Key Points
Key
Types of Research and Data Collection
Types
Methods
Methods
Strengths and weaknesses of primary
Strengths
data collection methods
Potential sources of error in data collection
Potential
Develop
o
o
o
o
o
o
o
o
o
o
o
Overlap between service factors and service locations
Missing price & value
Add: Verizon is one of the most expensive cell phone providers available and they offer some of the
most extensive coverage for that price
Ask more backgroun