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FOR MORE CLASSES VISIT www.bus308outlet.com BUS 308 Week 1 Assignment Problems 1.2, 1.17, 3.3 & 3.22 BUS 308 Week 1 DQ 1 Performance Report BUS 308 Week 1 DQ 2 The Empirical Rule vs. Chebyshev Theorem BUS 308 Week 1 Quiz (10 MCQ) BUS 308 Week 2 Assignments Problems 4.4, 4.20, 5.12, 6.22(a) BUS 308 Week 2 DQ 1 Relative Frequency BUS 308 Week 2 DQ 2 Applications for Probability BUS 308 Week 2 Quiz (10 MCQ) BUS 308 Week 3 Assignments Problems 7.11, 7.30, 8.8, 8.38 BUS 308 Week 3 DQ 1 Unscientific Sampling BUS 308 Week 3 DQ 2 Article Review BUS 308 Week 3 Quiz (10 MCQ) BUS 308 Week 4 Assignments Problems 9.13, 9.22, 12.10, 12.18(a) BUS 308 Week 4 DQ 1 Hypothesis Test – PowerPoint PPT presentation

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Title: BUS 308 OUTLET Something Great/bus308outlet.com


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COM 295 STUDY Inspiring Minds/com295study.com
BUS 308 OUTLET Something Great/bus308outlet.com
  • For more course tutorials visit
  • www.com295study.com
  • Formore course tutorials visit
  • www.bus308outlet.com

2
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BUS 308 Entire Course (Ash Course) FOR MORE
CLASSES VISIT www.bus308outlet.com   BUS 308
Week 1 Assignment Problems 1.2, 1.17, 3.3
3.22BUS 308 Week 1 DQ 1 Performance ReportBUS
308 Week 1 DQ 2 The Empirical Rule vs. Chebyshev
TheoremBUS 308 Week 1 Quiz (10 MCQ)BUS 308 Week
2 Assignments Problems 4.4, 4.20, 5.12,
6.22(a)BUS 308 Week 2 DQ 1 Relative
FrequencyBUS 308 Week 2 DQ 2 Applications for
ProbabilityBUS 308 Week 2 Quiz (10 MCQ)BUS 308
Week 3 Assignments Problems 7.11, 7.30, 8.8,
8.38BUS 308 Week 3 DQ 1 Unscientific
SamplingBUS 308 Week 3 DQ 2 Article Review
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BUS 308 Entire Course (New) FOR MORE CLASSES
VISIT www.bus308outlet.com BUS 308 Week 1 DQ 1
Data ScalesBUS 308 Week 1 DQ 2 ProbabilityBUS
308 Week 1 QuizBUS 308 Week 1 Problem Set Week
OneBUS 308 Week 2 JournalBUS 308 Week 2 DQ 1
t-TestsBUS 308 Week 2 DQ 2 ANOVA TestingBUS 308
Week 2 QuizBUS 308 Week 2 Problem Set
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BUS 308 Week 1 Assignment Problems 1.2, 1.17, 3.3
and 3.22 (Ash Course) FOR MORE CLASSES VISIT
www.bus308outlet.com   BUS 308 Week 1 Problems
1.2, 1.17, 3.3 and 3.22
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BUS 308 Week 1 DQ 1 Language FOR MORE CLASSES
VISIT www.bus308outlet.com Discussion
1-1/Language Numbers and measurements are the
language of business. Organizations look at
results in many ways expenses, quality levels,
efficiencies, time, costs, etc. What measures
does your department keep track of? Are they
descriptive or inferential data, and what is the
difference between these? (Note If you do not
have a job where measures are available to you,
ask someone you know for some examples, or
conduct outside research on an interest of yours,
or use personal measures.)
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BUS 308 Week 1 DQ 1 Performance Report (Ash
Course) FOR MORE CLASSES VISIT
www.bus308outlet.com You are the manager at a
company and are asked to present a report on the
year-to-date performance of your division. What
type of statistical information would you include
in your report? In particular, which descriptive
statistics (mean, median, standard deviation,
etc.) do you think would best represent the main
aspects of the performance of your division? What
types of graphical presentation (histogram, dot
plot, stem-and-leaf, bar chart, etc.) would you
include? Explain your reasoning
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BUS 308 Week 1 DQ 2 Probability FOR MORE CLASSES
VISIT www.bus308outlet.com Things vary in life
virtually nothing (except physical standards
such as the speed of light) we interact with is
constant over time. Much of this variation
follows somewhat predictable patterns that can be
examined using probability. An example of a
subjective probability is Cops usually do not
patrol this road, so I can get away with
speeding. An empirical probability example is
Each production run has a 5 reject rate. A
classical (or theoretical) probability example
is This die has six sides, so I should see the
number 2 come up 1/6th of the time.
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BUS 308 Week 1 DQ 2 The Empirical Rule vs.
Chebyshev Theorem (Ash Course) FOR MORE CLASSES
VISIT www.bus308outlet.com     The Empirical
Rule vs. Chebyshevs TheoremDiscuss how the
Empirical Rule works and how it relates to the
bell curve as illustrated in Figure 3.14 (a).
Then, explain Chebyshevs Theorem and how it is
different from the Empirical Rule. Give a
specific example of a population with which the
Empirical Rule might be most effective and one
with which Chebyshevs Theorem might be most
effective. Respond to at least two of your
classmates postings.
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  BUS 308 Week 1 Problem Set FOR MORE CLASSES
VISIT www.bus308outlet.com 1. For assistance
with these calculations, see the Recommended
Resources for Week One. Measurement issues.
Data, even numerically code variables, can be
one of 4 levels nominal, ordinal, interval, or
ratio. It is important to identify which level a
variable is, as this impacts the kind of analysis
we can do with the data. For example,
descriptive statistics such as means can only be
done on interval or ratio level data. Please
list, under each label, the variables in our data
set that belong in each group..
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BUS 308 Week 1 Quiz (10 MCQ) (Ash Course) FOR
MORE CLASSES VISIT www.bus308outlet.com   1.
Question The two types of quantitative
variables are 2. Question As a general
rule, when creating a stem-and-leaf display,
there should be between ______ stem values.
3. Question The median is the value below which
and above which approximately 50 percent of the
measurements lie. 4. Question Temperature
in degrees Fahrenheit is an example of a ____
variable.
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BUS 308 Week 1 Quiz (New) FOR MORE CLASSES VISIT
www.bus308outlet.com     1. Question In
statistical notation, M is to µ as s is to s.
Question 2. Question A parameter refers to a
sample characteristic. Question 3. Question
Data on the city from which members of a board of
directors come represent interval data.
Question 4. Question In a frequency
distribution such as a bell-shaped curve, what
does the vertical height of the curve indicate?
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BUS 308 Week 1 Quiz FOR MORE CLASSES VISIT
www.bus308outlet.com     1. Question
Data on the city from which members of a
board of directors come represent interval data.
2. Question Inferential statistics
infer the characteristics of samples. 3.
Question The mode is which of the
following? 4. Question The
standard error of the mean can be calculated by
dividing µ by the square root of the number of
values in the distribution. 5. Question
If a certifying agency raises the
requirements for real estate agents, what sort of
decision error is the agency protecting against?
6. Question Which of the following
defines statistical significance?
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BUS 308 Week 2 Assignments Problems 4.4, 4.20,
5.12, 6.22(a) (Ash Course) FOR MORE CLASSES
VISIT www.bus308outlet.com   BUS 308 Week 2
Assignments Problems 4.4, 4.20, 5.12, 6.22(a)
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BUS 308 Week 2 DQ 1 Hypotheses FOR MORE CLASSES
VISIT www.bus308outlet.com Discussion
2-1/Hypotheses What is a hypothesis test? Why
do we need to use them to make decisions about
relating sample results to the population why
cant we just make our decisions by the sample
value?
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BUS 308 Week 2 DQ 1 Relative Frequency (Ash
Course) FOR MORE CLASSES VISIT
www.bus308outlet.com Relative Frequency.
Conceptually we would expect the probability of
newborn males and females to be the same.
However, census reports indicate that the ratios
of males and females in various countries do not
conform to the theoretical prediction. What do
you think accounts for this variation? Can you
think of other cases where the expected
probabilities do not quite agree with the
empirical values?
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BUS 308 Week 2 DQ 2 Applications for Probability
(Ash Course) FOR MORE CLASSES VISIT
www.bus308outlet.com   Applications for
Probability. In what situations might you use
probability as a manager to approach
business-related problems? What are the
advantages to using probability concepts in
business decisions? Are there any disadvantages
or possible pitfalls to avoid in using
probability in business?
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BUS 308 Week 2 DQ 2 Variation FOR MORE CLASSES
VISIT www.bus308outlet.com Variation exists in
virtually all parts of our lives. We often see
variation in results in what we spend (utility
costs each month, food costs, business supplies,
etc.). Consider the measures and data you use
(in either your personal or job activities).
When are differences (between one time period
and another, between different production lines,
etc.) between average or actual results
important? How can you or your department decide
whether or not the observed differences over time
are important? How could using a mean difference
test
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BUS 308 Week 2 Problem Set FOR MORE CLASSES VISIT
www.bus308outlet.com Problem Set Week
TwoComplete the problems below and submit your
work in an Excel document. Be sure to show all of
your work and clearly label all calculations.
All statistical calculations will use the
Included in the Week Two tab of theEmployee
Salary Data Set are 2 one-sample t-tests
comparing male and female average salaries to the
overall sample mean.
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BUS 308 Week 2 Quiz (10 MCQ) (Ash Course) FOR
MORE CLASSES VISIT www.bus308outlet.com   1.
Question In a statistical study, the random
variable X 1, if the house is colonial, and X
0 if the house is not colonial, then it can be
stated that the random variable is continuous.
2. Question The set of all possible
experimental outcomes is called a(n) 3.
Question If two events are independent, then
the probability of their intersection is
represented by
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BUS 308 Week 2 Quiz (New) FOR MORE CLASSES VISIT
www.bus308outlet.com   1. Question What is the
relationship between the power of a statistical
test and decision errors? Question 2. Question
The desired sample depends on all of these
factors except? Question 3. Question What
question does the z test answer? Question 4.
Question The desired sample size depends only
the size of the population to be tested.
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BUS 308 Week 2 Quiz FOR MORE CLASSES VISIT
www.bus308outlet.com    1. Question
How is the sum of squares unlike either the
standard deviation or the variance? 2.
Question If sums of squares statistics
are calculated for shoppers at three different
retail outlets, what statistic will indicate the
variability among those at each outlet? 3.
Question Which is the symbol used for
the test statistic in ANOVA? 4. Question
If ANOVA reveals that four different
departments have significantly different levels
of productivity, what will a post-hoc test
indicate? 5. Question The
independent t-test is based on which distribution?
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BUS 308 Week 3 Assignments Problems 7.11, 7.30,
8.8, 8.38 (Ash Course) FOR MORE CLASSES VISIT
www.bus308outlet.com   BUS 308 Week 3
Assignments Problems 7.11, 7.30, 8.8, 8.38
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BUS 308 Week 3 DQ 1 ANOVA FOR MORE CLASSES VISIT
www.bus308outlet.com     In many ways, comparing
multiple sample means is simply an extension of
what we covered last week. Just as we had 3
versions of the t-test (1 sample, 2 sample (with
and without equal variance), and paired we have
several versions of ANOVA single factor,
factorial (called 2-factor with replication in
Excel), and within- subjects (2-factor without
replication in Excel). What examples
(professional, personal, social) can you provide
on when we might use each type? What would be the
appropriate hypotheses statements for each
example?
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BUS 308 Week 3 DQ 1 Unscientific Sampling (Ash
Course) FOR MORE CLASSES VISIT
www.bus308outlet.com   Unscientific Sampling.
Consider question 7.45 from the text A Milwaukee
television station, WITI-TV, conducted a
telephone call-in survey asking whether viewers
liked the new newspaper, the Journal Sentinel. On
April 26, 1995, Tim Cuprisin, a columnist for the
Journal Sentinel, wrote the following comment
WITI-TV (Channel 6) did one of those pollswhich
they admit are unscientificlast week and found
that 388 viewers like the new Journal Sentinel
and 2,629 didnt like it. We did our own
unscientific poll on whether those Channel 6
surveys accurately reflect public opinion. The
results a full 100 percent of the respondents?
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BUS 308 Week 3 DQ 2 Article Review (Ash
Course) FOR MORE CLASSES VISIT www.bus308outlet.c
om   Article Review. Many articles present
statistical data and list margins of error (for
example, reports on political opinion polls,
growth or decline of the housing markets,
manufacturing sectors, etc.). Find one such
article from a reliable source (such as EBSCO or
Proquest) in the online library that includes a
construction of confidence intervals for the data
studied, and give a summary of the topic and the
statistical results presented. In particular,
discuss whether there is enough information
presented in the article to arrive at the same
conclusion as reported
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BUS 308 Week 3 DQ 2 Effect Size FOR MORE CLASSES
VISIT www.bus308outlet.com Several statistical
tests have a way to measure effect size. What is
this, and when might you want to use it in
looking at results from these tests on job
related data?
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BUS 308 Week 3 Problem Set FOR MORE CLASSES VISIT
www.bus308outlet.com     ASSIGNMENT WEEK
3 Complete the problems below and submit your
work in an Excel document. Be sure to show all of
your work and clearly label all calculations. All
statistical calculations will use the (Note
Questions 1- 4 have additional elements to
respond to below the analysis results.)
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BUS 308 Week 3 Quiz (10 MCQ) (Ash Course) FOR
MORE CLASSES VISIT www.bus308outlet.com     1.
Question There is little difference between the
values of ta/2 and Za/2 when the sample 2.
Question If the population proportion is .4
with a sample size of 20, then is this sample
large enough so that the sampling distribution of
is a normal distribution. 3. Question For
non-normal populations, as the sample size (n)
_________, the distribution of sample means
approaches a/an __________ distribution.
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BUS 308 Week 4 Assignments Problems 9.13, 9.22,
12.10, 12.18(a) (Ash Course) FOR MORE CLASSES
VISIT www.bus308outlet.com   BUS 308 Week 4
Assignments Problems 9.13, 9.22, 12.10, 12.18(a)
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BUS 308 Week 4 DQ 1 Confidence Intervals FOR MORE
CLASSES VISIT www.bus308outlet.com Discussion
4-1/Confidence Intervals Many people do not
like or trust single point estimates for
things they need measured. Looking back at the
data examples you have provided in the previous
discussion questions on this issue, how might
adding confidence intervals help managers accept
the results better? Why? Ask a manger in your
organization if they would prefer a single point
estimate or a range for important measures, and
why? Please share what they say.
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BUS 308 Week 4 DQ 1 Hypothesis Test (Ash
Course) FOR MORE CLASSES VISIT www.bus308outlet.c
om Give an example of a hypothesis test you
could perform at work or at home. State what the
Null and the Alternative hypotheses would be in
your test. Explain how you would settle on a
reasonable level of significance for your
scenario. Also explain what the type I and II
errors would be if you reached the incorrect
conclusion in your test.
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BUS 308 Week 4 DQ 2 Chi-Square Tests FOR MORE
CLASSES VISIT www.bus308outlet.com Discussion
4-2/Chi-Square Tests Chi-square tests are great
to show if distributions differ or if two
variables interact in producing outcomes. What
are some examples of variables that you might
want to check using the chi-square tests? What
would these results tell you?
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BUS 308 Week 4 DQ 2 Creating Hypotheses (Ash
Course) FOR MORE CLASSES VISIT
www.bus308outlet.com Creating Hypotheses. Assume
you are the manager of a paint manufacturing
factory. Your company has received complaints
from customers that the containers hold less than
the amount printed on them. On the other hand,
corporate management is concerned that the
containers hold more than the standard amount.
You assign a statistician to verify these claims.
A sample of containers was selected and the
volume of paint in each container was measured.
Assuming that the volume printed on each
container is 1 gallon, how would you formulate
the null and alternative hypotheses to test the
customers claim? As a manager, what reasonable
criteria will you use to set a value for the
level of
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BUS 308 Week 4 Problem Set FOR MORE CLASSES VISIT
www.bus308outlet.com   ASSIGNMENT WEEK 4 Lets
look at some other factors that might influence
pay. Complete the problems below and submit your
work in an Excel document. Be sure to show all of
your work and clearly label all calculations. All
statistical calculations will use the 1. Using
our sample data, construct a 95 confidence
interval for the population's mean salary for
each gender. Interpret the results. How do they
compare with the findings in the week 2 one
sample t-test outcomes (Question 1)?
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BUS 308 Week 4 Quiz (10 MCQ) (Ash Course) FOR
MORE CLASSES VISIT www.bus308outlet.com     1.
Question Consider using p-value to test H0
versus Ha by setting a equal to .10. We reject H0
at level a of significance if and only if the
p-value is 2. Question When carrying out
a sample test (with ó known) of H0 µ 10 vs.
Ha µ gt 10 by using a rejection point, we reject
Ho at level of significance a if and only if the
calculated test statistic is
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BUS 308 Week 4 Quiz (New) FOR MORE CLASSES VISIT
www.bus308outlet.com     1. Question The
goodness of fit test null hypothesis states that
the sample data does not match an expected
distribution. Question 2. Question
Statistical significance in the Chi-square test
means the population distribution (expected) is
not the source of the sample (observed) data.
Question 3. Question While rejecting the null
hypothesis for the goodness of fit test means
distributions differ, rejecting the null for the
test of independence means the variables interact.
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BUS 308 Week 4 Quiz FOR MORE CLASSES VISIT
www.bus308outlet.com   1. Question
With reference to problem 1, what statistic
determines the correlation of experience with
productivity, controlling for age in experience?
2. Question In a problem where
interest rates and growth of the economy are used
to predict consumer spending, which of the
following will increase prediction error? 3.
Question With reference to problem 3,
how is the regression constant or the a value
interpreted?
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BUS 308 Week 5 DQ 1 Correlation FOR MORE CLASSES
VISIT www.bus308outlet.com     Discussion
5-1/Correlation What results in your
departments seem to be correlated or related to
other activities? How could you verify this?
Create a null and alternate hypothesis for one of
these issues. What are the managerial
implications of a correlation between these
variables?
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BUS 308 Week 5 DQ 1 Linear Correlation (Ash
Course) FOR MORE CLASSES VISIT
www.bus308outlet.com   Linear Correlation. Do
you think there is a correlation between CEO
salaries and the degree of success of a company?
If you were to take a sample of companies with
comparable size, market capitalization, and
product category, and plot CEO salaries against
the net profit of their respective companies, do
you expect to find a linear correlation between
the two? Explain
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BUS 308 Week 5 DQ 2 Quality Control (Ash
Course) FOR MORE CLASSES VISIT www.bus308outlet.c
om Quality Control. Visit the websites on
Quality Control (QC) listed in the Required
Websites for this week. In addition, locate an
article on the Internet or in the Library
databases that describes an example of the use of
statistics in Quality Control. In your post,
briefly define Quality Control and explain its
importance. Also, describe some of the most
widely used tools in the industry for measuring
and controlling quality, emphasizing their
relationship to what you have encountered in this
class. Finally, explain the example from your
article of statistics as applied in a Quality
Control context.  
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BUS 308 Week 5 DQ 2 Regression FOR MORE CLASSES
VISIT www.bus308outlet.com Discussion
5-2/Regression At times we can generate a
regression equation to explain outcomes. For
example, an employees salary can often be
explained by their pay grade, appraisal rating,
education level, etc. What variables might
explain or predict an outcome in your department
or life? If you generated a regression equation,
how would you interpret it and the residuals from
it?
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BUS 308 Week 5 Final Paper (2 Papers) FOR MORE
CLASSES VISIT www.bus308outlet.com This
tutorial contains 2 Different Papers The final
paper provides you with an opportunity to
integrate and reflect on what you have learned
during the class. The question to address is
What have you learned about statistics? In
developing your responses, consider at a
minimum and discuss the application of each of
the course elements in analyzing and making
decisions about data (counts and/or
measurements).
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BUS 308 Week 5 Final Part I - Excel (Ash
Course) FOR MORE CLASSES VISIT www.bus308outlet.c
om     Calculate the mean yearly value using the
average gas prices by month found in the"Final
Project Data Set". 2.Using the years as your
x-axis and the annual mean as your y-axis, create
a scatterplotand a linear regression
line. 3.Answer the following questions using your
scatterplot and linear regression line What is
the slope of the linear regression line? What is
the Y-intercept of the linear regression line?
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BUS 308 Week 5 Final Part II Analysis Paper on
gas prices FOR MORE CLASSES VISIT
www.bus308outlet.com     Imagine that you are a
manager at a delivery service and you are
creating a report toproject the effects on your
company of rising gas prices in the next ten
years. Using thepreceding statistical analysis
as your basis and outside scholarly resources to
support yourclaims, write a 3 to 5 page paper
interpreting the results from this perspective.
Include thefollowing considerations
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BUS 308 Week 5 Problem Set FOR MORE CLASSES
VISIT www.bus308outlet.com     ASSIGNMENT WEEK
5 1. Create a correlation table for the
variables in our (Use analysis ToolPak or
StatPlusmac LE function Correlation). a.
Reviewing the data levels from week 1, what
variables can be used in a Pearsons Correlation
Table (which is what Excel produces)? b. Place
the table here. c. Using r approximately .28 as
the significant r value (at p .05) for a
correlation between 50 values, what variables are
significantly related to salary? To compa?
46
COM 295 STUDY Inspiring Minds/com295study.com
BUS 308 OUTLET Something Great/bus308outlet.com
  • For more course tutorials visit
  • www.com295study.com
  • Formore course tutorials visit
  • www.bus308outlet.com
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