Expert systems
a. include the procedures used to capture and the methods used to store the data.
b. include all the routines that allow the user to manipulate the data to conduct the kind
of analysis the individual desires
c. are also called language systems.
d. are computer based artificial intelligence systems.
e. none of the above.
Information concerning the effects of last fall’s advertising campaign on sales of the
advertised product would normally be contained in which data system module?
a. customer information module
b. economic and demographic information module
c. product information module
d. industry information module
e. competitor information module
Which of the following might NOT be considered a benefit of using secondary data?
a. Secondary data help to state better the problem under investigation.
b. Secondary data cost less to collect than primary data.
c. Secondary data can suggest improved methods or data for addressing the research
problem.
d. Secondary data provide comparative data to which primary data can be compared.
e. Secondary data better fit the problem under investigation.
Probability-proportional-to-size sampling requires that
a. a certain proportion of second-stage units be selected from each first-stage unit.
b. a fixed number of second-stage units be selected from each first-stage unit selected.
c. a variable ratio of first-stage units be selected.
d. a variable proportion of first-stage units be selected.
e. none of the above.
An additional assumption made when discussing the correlation model that was not
made in the regression model is
a. the observations come from a bivariate normal distribution.
b. the variance of the error term is dependent on the values of the predictor variable.
c. the variance of the disturbance term is constant.
d. the values of the error term are dependent on each other.
e. the Xi are fixed.
BOUGHT AT t0
A B C
Total
A 110 50 80
240
BOUGHT
AT t1 B 50 130 55
235
C 35 20 95
150
195 200
230 625
How many people switched brands between time t0 and t1?
a. 105
b. 130
c. 160
d. 240
e. 290
Which of the following are office errors?
a. not-at-homes
b. refusals
c. interviewer cheating
d. coding errors
e. response errors
A typical question that can be answered by using a data retrieval system in a DSS is
a. What has happened?
b. What would happen if?
c. Why did it happen?
d. Where is it likely to happen?
e. When will it happen?
Which of the following is TRUE?
a. The attributes used to construct the stimuli for a conjoint analysis are completely
determined by the purpose of the investigation.
b. The attributes used to construct the stimuli for a conjoint analysis should be both
actionable for the company and important to people.
c. In a typical conjoint analysis study, most of the attributes that could be used to
construct stimuli will be used.
d. Our ability to generate good estimates of the utility of each attribute level depends
upon the number of stimuli being relatively small versus the number of parameters that
need to be estimated.
e. They are all false.
As defined in the text, measurement consists of
a. the assignment of numbers (representing quantities of attributes) to objects or events
according to rules.
b. a theory of hypothesis construction.
c. isolating those objects which may be shown to possess the mathematical properties of
activity.
d. a continuum which complies with the basic axioms of mathematics.
e. all of the above.
Nonsampling errors
a. are random.
b. are non’‘random.
c. tend to bias sample statistics.
d. b and c.
e. a, b, and c.
A grocery store manager decided to investigate whether slower moving items would
sell quicker if these items were displayed at the end of the grocery store aisles or with a
special florescent shelf tag displaying the price. The manager is interested in these
nonprice reduction promotions because the store has only a small markup on these
items. The manager decides to use end of aisle displays, shelf markers, and no special
markers for four weeks each measuring unit sales at the end of each week. The
following sales patterns were observed:
What is the within groups (error) sum of squares?
a. 86.0
b. 241.0
c. 98.0
d. 327.0
e. 26.8
Nonsampling errors occur because of errors in
a. conceptualization of the response project.
b. reporting the results of a project.
c. arithmetic.
d. interpreting respondent replies.
e. all of the above are nonsampling errors.
An experience survey
a. should contact all people who possess some knowledge of the general subject.
b. should emphasize developing tentative explanations.
c. should sample selectively from the same homogenous group.
d. should be conducted in an informal, unstructured manner.
e. b and d.
If a variable is nominal or ordinal a statistical procedure is typically suggested for
analyzing the data.
a. distribution free
b. parametric
c. metric
d. multiple’‘sample
e. single’‘sample
In any study there should be two pretests, the first should be conducted by and the
second by .
a. personal interview, mail
b. the planned method of administration, mail
c. personal interview, the planned method of administration
d. the planned method of administration, the planned method of administration
e. There is no way to conduct the pretests.