Title: QNT 561 Course Career Path Begins qnt561dotcom
1QNT 561 Course Career Path Begins /qnt561dotcom
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2QNT 561 Final Exam Guide (New)
- 1. The mean gas mileage for a hybrid car is
56 miles per gallon. Suppose that the gasoline
mileage is approximately normally distributed
with a standard deviation of 3.2 miles per
gallon. - 2. What conditions must n satisfy to make
the x2 test valid? - 3. To use the t-statistic to test for a
difference between the means of two populations,
what assumptions must be made about the two
populations? About the two samples?
3QNT 561 Final Guide (Latest)
- 1. A random sample of size 15 is selected from a
normal population. The population standard
deviation is unknown. Assume the null hypothesis
indicates a two-tailed test and the researcher
decided to use the 0.10 significance level. For
what values of t will the null hypothesis not be
rejected? - 2. Which of the following is a characteristic of
the F distribution? - 3. For a chi-square test involving a contingency
table, suppose the null hypothesis is rejected.
We conclude that the two variables are
__________. -
4QNT 561 Week 1 DQ 1
- How may variance and standard deviation be
applied to a real-world business-related problem?
Provide a specific application in which these
measures are useful.
5QNT 561 Week 1 DQ 2
- When would you use Chebyshevs theorem and the
empirical rule in business? How are they
calculated? Provide one real-life example that
requires Chebyshevs theorem and one that
requires the empirical rule.
6QNT 561 Week 1 Individual My Statslab Problem Set
- 1. What is statistics?
- 2. Explain the difference between
descriptive and inferential statistics. - 3. Explain the difference between
qualitative and quantitative data. - 4. Explain how populations and variables
differ. - 5. Explain how populations and samples
differ. - 6. What is a representative sample?
- 7. Explain the difference between a
population and a process. - 8. Define statistical thinking.
7QNT 561 Week 1 Lab Work (New)
- Chapter 2
- Ex 4) Two Thousand three hundred frequent
business travelers are asked which Midwestern
city they prefer Indianapolis, Saint Louis,
Chicago or Milwaukee. 388 liked Indianapolis
best, 450 liked Saint Louis, 1212 liked Chicago
and the remainder prefers Milwaukee. Develop a
frequency table and a relative frequency table to
summarize this information (Round relative
frequency to 3 decimal places.) - Ex 6) A small business consultant is
investigating the performance of several
companies. The fourth-quarter sales for last year
(in thousands of dollars) for the selected
companies were
8QNT 561 Week 2 DQ 1
- What are some examples of operational definitions
in research design within your profession? For
example, in the education field, graduation rate
and retention rate are important operational
definitions to measure progress of students.
Likewise other professions have common metrics
and definitions. Identify some metrics and
operational definitions from your own career or a
profession that you know well. Tell us why you
think it is important!
9QNT 561 Week 2 DQ 2
- What is the purpose of sampling? What are some
concerns and dangers of sampling? How important
is the sample design to data validity? Explain.
Provide an example where a sample might
misrepresent data validity. For example, reflect
on the current political campaign and the
pollsters!
10QNT 561 Week 2 Individual My Statslab Problem Set
- 1. A random sample of 87 observations
produced a mean 25.7 and a standard deviation
s 2.6. - 2. Health care workers who use latex gloves
with glove powder on a daily basis are
particularly susceptible to developing a latex
allergy. Each in a sample of 50 hospital
employees who were diagnosed with a latex allergy
based on a skin-prick test reported on their
exposure to latex gloves. Summary statistics for
thr number of latex gloves used per week are
19.4 and s 11.6. Complete parts (a) (d).
11QNT 561 Week 2 Lab Work (New)
- Chapter 5
-
- Ex 4) A large company must hire a new president.
The Board of Directors prepares a list of five
candidates, all of whom are equally qualified.
Two of these candidates are members of a minority
group. To avoid bias in the selection of the
candidate, the company decides to select the
president by lottery. - a. What is the probability one of the
minority candidate is hired? - b. Which concept of probability did you use
to make this estimate?
12QNT 561 Week 2 Team Assignment Business Research
Project Part 1 Business Problems
- Identify an organization or business for your
Learning Team research project. - Describe the products or services it provides.
- Identify a problem or dilemma faced by the
organization that could be addressed by research.
- Discuss the problem as a team.
- Discuss your selected problem or dilemma with
your faculty member to ensure that it is at an
appropriate scope for the course.
13QNT 561 Week 2 Team Assignment Business Research
Project Part 1 Formulation
- Identify an organization from any member in your
Learning Team or an organization with which your
team is familiar. If an actual company is used,
disguise its name with a pseudonym. - Identify one independent variable and one
dependent variable based on the business.
Operationalize these variables if they are too
abstract to measure.
14QNT 561 Week 3 DQ 1
- In your organizations management development
program, there was a heated discussion between
people who claimed that theory is impractical and
not effective, and others who claimed that
effective theory is the most practical approach
to problems. What position would you take and why?
15QNT 561 Week 3 DQ 2
- You observe female sales representatives having
lower customer defections than male sales
representatives. What concepts and constructs
would you use to study this phenomenon? How might
the concepts or constructs relate to explanatory
hypotheses? Explain.
16QNT 561 Week 3 Individual Mystatslab Problem Set
- 1. Which hypothesis, the null or the
alternative, is the status-quo hypothesis? - 2. A university economist conducted a study
of elementary school lunch menus. During the
state-mandated testing period, school lunches
averaged 890 calories. The economist claimed that
after the testing period ended, the average
caloric content of the school lunches
increased/dropped significantly. Set up the null
and alternative hypothesis to test the
economists claim.
17QNT 561 Week 3 Lab Work (New)
- Chapter 8
- Ex 2) The following is a list of 29 hospitals in
the Cincinnati (Ohio) and Northern Kentucky
region. The hospitals are identified by numbering
them 00 through 28. Also included is whether the
hospital is a general medical/surgical hospital
(M/S) or a specialty hospital (S). we are
interested in estimating the average number of
full- and part-time nurses employed in the area
hospitals.
18QNT 561 Week 3 Team Assignment Business Research
Project Part 2 Research Plan (2 Papers)
- This Tutorial contains 2 different Papers
- Develop a plan for your Business Research Project
in approx. 800 words. - Revise the research questions based on instructor
feedback from the previous week. - Identify population and samples for your
research. - Describe who will be chosen and how they will be
accessed. - Determine the data collection process.
19QNT 561 Week 4 Discussion Descriptive Statistics
- Create a Microsoft Excel spreadsheet with the
two variables from a dataset for your choosing. - Analyze the data with MegaStat, StatCrunch,
Microsoft Excelor other statistical tool(s),
including - (a) Descriptive stats for each numeric variable
- and
- (b) Histogram for each numeric variable
- and either (c) or (d)
- (c) Bar chart for each attribute (non numeric)
variable
20QNT 561 Week 4 DQ 1
- does technological advancement affect the ability
to collect data? Provide examples. Does this
advancement increase the chance for errors?
Explain.
21QNT 561 Week 4 DQ 2
- What is the importance of pretesting questions
and instruments? What are risks of not doing
this? Provide an example.
22QNT 561 Week 4 Individual Mystatslab Problem Set
- . Researchers conducted a survey of a
representative sample of over 1,000 drivers.
Based on how often each driver engaged in road
behaviour, a road rage score was given. The
drivers were also grouped by annual income. The
data were subjected to an analysis of variance,
with the results summarized in the table. - 2. Researchers surveyed a random sample of
25 employees who were enrolled in a certain
program at one of three universities. These
individuals were divided into four distinct
groups, 1, 2, 3, and 4, depending on their job
situation at a previous or current firm. The
sampled employees completed
23QNT 561 Week 4 Lab Work (New)
- Chapter 10
-
- Ex 2) A Sample of 36 observations is selected
from a normal population. The sample mean is 12,
and the population standard deviation is 3.
Conduct the following test of hypothesis using
the 0.01 significance level. -
- EX 12) The management of White Industries
considering a new method of assembling its golf
cart. The present method requires 42.3 minutes,
on the average, to assemble a cart. The mean
assembly time for a random sample of 24 carts,
using the new method,
24QNT 561 Week 4 Team Assignment Business Research
Project Part 3 Survey
- This Tutorial contains 2 different sets
- Create a draft of the survey.
- Conduct a pilot pretest having another Learning
Team in the class to provide feedback for your
team. Chet will create a message thread for each
team to place their survey in the Class
Discussion Tab. - Revise the survey based on the feedback provided
by your classmates.
25QNT 561 Week 5 DQ 1
- What is the value of performing hypotheses tests
to solve problems related to business and
operations management? Provide specific examples.
26QNT 561 Week 5 DQ 2
- What are differences between dependent and
independent samples? Provide examples. What are
implications for determining the tests used to
analyze data?
27QNT 561 Week 5 Individual Mystatslab Problem Set
- 1. Consider the pairs of measurements shown
to the right. - 2. Researchers investigated the effect of
tablet surface area to volume on the rate at
which a drug is released in a controlled-release
dosage. For six similarly shaped tablets with
different weights and thicknesses, the
diffusional drug release rate (percentage of drug
released divided by the square root of time) was
determined. The experimental data are listed in
the table. Complete parts a through d. - 3. Many entrepreneurs have donated money to
various causes. Data on the total amount pledged
and remaining net worth for the 10 top donors are
given in the table. Complete parts a through d.
28QNT 561 Week 5 Lab Work (New)
- Chapter 13
- Ex 6) The owner of Maumee Ford-Mercury-Volvo
wants to study the relationship between the age
of a car and its selling price. Listed below is a
random sample of 12 used cars sold at the
dealership during the last year. - a. If we wants to estimate selling price on
the basis of the age of car, which variable is
thr dependent varialble and which is the
independent variable? - b. 1. Determine the correlation
coefficient - 2. Determine the coefficient of determination.
29QNT 561 Week 5 Team Assignment Business Research
Project Part 4 Data Analysis (2 Sets)
- This Tutorial contains 2 different sets
- Administer the survey.
- In a paper in the APA format describe the
following - Determine the sample process including sample
contact, survey distribution, and survey
collection. - Organize, prepare, and describe the data.
30QNT 561 Week 6 Lab Work (New)
- Chapter 18
- EX.2) Listed Below is the number of movie tickets
sold at the Library Cinema-Complex, in thousands,
for the period from 2001 to 2013. Compute a
five-year weighted moving average using weights
of 0.15, 0.15, 0.25, 0.16, and 0.29,
respectively. Describe the trend in yield. - EX 10) Appliance Center sells a variety of
electronic equipment and home appliance. For the
last 4 years, 2010 through 2013, the following
quarterly sales (in millions) were reported.
31QNT 561 Week 6 Team Assignment Business Research
Project Part 5 Research
- This Tutorial contains 2 Sets of Report and
Presentation - Complete the cumulative Business Research Report
in approx. 1,500 words by collaborating with your
team to include the following - Revised tables or figures based on prior
instructor feedback - The description or interpretation for the tables
or figures - Summary of Learning Team results
- Answers to the research questions
32QNT 561 Course Career Path Begins /qnt561dotcom
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