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Title: QNT 565 UOP Course Tutorial

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QNT 565 Final Exam (Latest) - Assignment

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1. Which type of research includes an array of
interpretative techniques which seek to describe,
decode, translate, and otherwise come to terms
with the meaning of certain phenomena?
Qualitative
Quantitative
Descriptive
Statistical
2. Which term below refers to the descriptors of
variables computed from sample data used to
estimate those same variables in the population?
Population parameters
Standard errors
Systematic estimates
Sample statistics
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Final Exam (Latest)

3. A population consists of the following data
7, 11, 12, 18, 20, 22, 25. The population
variance is
36.82
22.86
5.16
6.07
4. If the hypothesis presented is tested using a
.05 alpha level and the resulting p value is .01,
which of the following interpretations of the
results is most appropriate?
As income increases, food expenditures increase.
There is a relationship between income and food
expenditures.
As income decreases, the percentage of income
spent on food increases.
There is no relationship between income and food
expenditures.
5. Paired comparison scales result in _____ data.
ratio
interval
ordinal
nominal

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6. Five homes were recently sold in Oxnard Acres.
Four of the homes sold for 400,000 while the
fifth home sold for 2.5 million. Which measure
of central tendency best represents a typical
home price in Oxnard Acres?
The mean or mode.
The midrange or mean.
The median or mode.
The mean or median.
7. An increase in hours of television viewing
leads to increases in the sales of snack foods.
This is an example of a
causal hypothesis
correlational hypothesis
research question
descriptive hypothesis

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8. The null hypothesis is typically rejected when
the calculated value is smaller than the critical
value
the critical value is smaller than the calculated
value
a chi-square statistic is computed
the level of significance chosen is .05
9. When political researchers assess opinions
towards President Bush's plan for social security
reform, a(n) ______ study is used. However, when
political researchers want to assess the change
in opinion towards the war in Iraq from the
initial deployment of troops to the elections in
Iraq, a(n) _____ study should be used.
exploratory, formal
experimental, ex post facto
cross-sectional, longitudinal
monitoring, communication

10. Companies such as Unilever and Proctor and
Gamble conduct research to clarify ambiguous
ideas that may be potential business
opportunities. What type of research is this?
Descriptive
Exploratory
Inferential
Causal
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565 Final Exam Questions and Answers
11. Inducements offered to participants as
encouragement to participate in research that are
disproportionate to the task are considered
Coercive
Persuasive
Informative
Appropriate

12. Find the sample correlation coefficient for
the following data.
X Y
3 8
7 12
5 13
9 10
11 17
13 23
19 39
21 38
8911
.9556
.9132
.9822

13. Which of the following measures is used to
assess the strength of relationships in
cross-classification tables?
ANOVA
Parametric measures of association
Regression
Nonparametric measures of association
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14. Allison is editing a data set and finds that
a response of 7 has been entered for a question
that requests a response between 1 and 5. What
should Allison do?
Enter a response of unknown
Enter a 3 as a neutral response
Enter a response between 1 and 5
Enter a mode for the question

15. Management would like to determine the
feasibility of conducting research on a new set
of stainless steel cookware recently introduced
on a home shopping network. Which of the
following statements is not a consideration?
The research question and hypothesis should be
clearly defined.
The research conclusion should match the research
objective.
The research design should be thoroughly planned.
The purpose of the research must be clearly
defined.
16. Consider the following data 6, 7, 17, 51, 3,
17, 23, and 69. The range and the median are
69 and 17
69 and 17.5
66 and 17
66 and 17.5

17. In the Southeast, the potato chip market
share held by the Lays brand is 46. This is an
example of
an explanatory hypothesis
a descriptive hypothesis
a research question
a relational hypothesis
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Assignment
18. Which of the following involves a test of
two-independent samples?
Test of the average incomes of subscribers of
Southern Living and Better Homes and Gardens
Test of differences in the percent of men and
women who are or are not members of Greek
organizations on campus
Test of whether a change occurred in the
proneness for heart disease among people who
switched to a diet high in fish

Test of whether the mean salary of professors at
Metro University is higher than the national
average for university professors
19. Suppose you cross tabulate consumption rates
with income and find no apparent relationship.
When age is introduced you find that there is a
relationship between consumption and income
within age groups. This is an example of a (n)
________ variable at work.
suppresser
extraneous
antecedent
Component
20. An experimental study is one that
attempts to reveal why or how one variable
produces changes in another
attempts to capture a population's
characteristics by making inferences from a
sample's characteristics and testing resulting
hypotheses
involves manipulation of one or more variables to
determine the effect on another variable
discovers answers to the questions who, what,
when, where, or how much

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Study Materials
21. The _____ is used to test the statistical
significance of the observed association in
cross-tabulation.
Cramer'sV
chi-square coefficient
phi coefficient
contingency coefficient
22. Which type of non-probability sampling
technique is most useful when individuals with
the desired characteristics, experiences, or
attitudes are difficult to identify or reach?
Purposive sampling
Convenience sampling
Random sampling
Snowball sampling

23. Which term below refers to a controlled,
randomized procedure that assures that each
population element is given a known, nonzero
chance of selection into a study's sample?
Census
Probability sampling
Nonprobability sampling
Element selection
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24. The _____ is a parametric test to determine
the statistical significance between the sample
distribution mean and a population parameter.
t-test
F statistic
Z distribution
Z test

25. Jeremy is using an ANOVA to examine the
alternative hypothesis that brand loyalty is
higher among frequent fliers of Jet Blue than the
reported brand loyalty of frequent fliers on
United, US Airways, and Delta. If the p value is
less than .05 and the F ratio is greater than 1,
which of the following interpretations is
correct?
Jet Blue has lower brand loyalty among its
frequent fliers than do the other three airlines.
There is a difference in brand loyalty among
customers of the four airlines.
There is no difference in brand loyalty among
customers of the four airlines.
Jet Blue has higher brand loyalty among its
frequent fliers than do the other three airlines
examined.
26. The product moment correlation coefficient
between brand loyalty and attitude toward the
brand is .65 with a p value of .01. What does the
sign of the correlation coefficient signify?

The significance of the relationship
The importance of the relationship
The direction of the relationship
The magnitude of the relationship
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27. A case study is one that
emphasizes a full contextual analysis of a few
events or conditions and their interrelations
(guessed)
attempts to capture a population's
characteristics by making inferences from a
sample's characteristics and testing resulting
hypotheses
attempts to reveal why or how one variable
produces changes in another
discovers answers to the questions who, what,
when, where, or how much
The magnitude of the relationship

28. Scott's Lawn Care has hired Henry Associates
to find out whether home improvement warehouse
stores communicate the benefits of various brands
of lawn care products differently than smaller
stores. Henry Associates needs to know what is
communicated to consumers in the actual settings
of the stores and wants to ensure that the
message isn't filtered. Only behavioral data is
required. Which type of data collection method is
most appropriate in this situation?
Observation
Communication
Experimental
Surveys
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29. What type of data is produced by simple
category scales?
Ordinal
Interval
Nominal
Ratio

30. As a measure of dispersion, compared to the
range, an advantage of the standard deviation is
describing the distance between the highest and
lowest values
considering only the data values in the middle of
the data array.
considering all data values
being calculated easily through the use of a
formula
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