EXAMPLE 11.1: Department Stores New Billing System
The manager of a department store is thinking about establishing a new billing system for the
stores credit customers. After a thorough financial analysis, she determines that the new system
will be cost-
Chapter 7 Descriptive Research Design:
Survey and Observation
True/False Questions
1.
A structured questionnaire is given to a sample of a population and is designed to elicit specific information
from respondents when using the survey method.
True (moder
Chapter 9 Measurement and Scaling:
Fundamentals and Comparative Scaling
True/False Questions
1.
The assignment of numbers or other symbols to characteristics of objects according to certain prespecified
rules is called measurement.
True (easy, page 238)
2
Chapter 8 Causal Research Design: Experimentation
True/False Questions
1.
Validity takes place when the occurrence of X increases the probability of the occurrence of Y.
False (moderate, page 212)
2.
Concomitant variation occurs when the presumed cause an
Chapter 12 Sampling: Design and Procedures
True/False Questions
1.
In sampling, an incident is the object or person about which or from which the information is desired.
False (moderate, page 322)
2.
Objects that possess the information the researcher see
Chapter 11 Questionnaire and Form Design
True/False Questions
1.
A questionnaire is a structured technique for data collection that consists of a series of questions, written or
verbal, which a respondent answers.
True (moderate, page 288)
2.
According to
Chapter 3 Research Design
True/False Questions
1.
The research design is a framework or blueprint for conducting the marketing research project that specifies
the procedures necessary to obtain the information needed to structure and/or solve the marketin
Chapter 4 Exploratory Research Design: Secondary Data
True/False Questions
1.
Secondary data is data originated by the researcher for the specific purpose of addressing the research
problem.
False (easy, page 97)
2.
Primary data represents any data that h
Chapter 5 Exploratory Research Design:
Syndicated Sources of Secondary Data
True/False Questions
1.
Companies that collect and sell common pools of data designed to serve information needs shared by a
number of clients are called syndicated services.
True
Chapter 10 Measurement and Scaling:
Noncomparative Scaling Techniques
True/False Questions
1.
A noncomparative scale is one of two types of scaling techniques in which each stimulus object is scaled
independently of the other objects in the stimulus set.
Chapter 6 Exploratory Research Design:
Qualitative Research
True/False Questions
1.
Quantitative research is an unstructured, exploratory research methodology based on small samples, which
provides insight and understanding of the problem setting.
False (
Chapter 2 Defining the Marketing Research Problem
and Developing an Approach
True/False Questions
1.
While every step in a marketing research project is important, research design formulation is the most
important step.
False (moderate, page 33)
2.
A broa
z fre exp fre (fre-exp fre)^2/exp fre
= -1 6 7.93 0.47
-1 < z = 0 27 17.07 5.78
0 < z = 1 14 17.07 0.55
z > 1 3 7.93 3.07
Count = 4 Sum = 50 Chi-square = 9.87
(1) Formulate the hypotheses:
H0: The distribution is normal
Ha: The distribution is not normal;
Given a=0.05, |Z(0.025)|=1.96 (check standard normal table)
So 95% CI is
(xbar1 -xbar2) Z*[s1^2/n1 + s2^2/n2]
-> (524-469) 1.96*sqrt(129^2/25 + 141^2/25)
-> ( -19.91, 129.91)
-(b)
So 95% CI is
(xbar1 -xbar2) Z*[s1^2/n1 + s2^2/n2]
-> (524-469) 1.96*sqrt(25
A) Data:
n 25
x-bar 80
s5
% 95
Standard Error, SE = s/n = 1.0000
z- score = 1.9600
Width of the confidence interval = z * SE = 1.9600
Lower Limit of the confidence interval = x-bar - width = 78.0400
Upper Limit of the confidence interval = x-bar + width =
Q 7.20
The number of pizzas delivered to university students each month is a random variable with the
following probability distribution.
x
P(x)
0
0.1
1
0.3
2
0.4
3
0.2
a.
Find the probability that a student has received delivery of two or more pizzas thi