BUS 308 HELPS Learn by Doing/ bus308helps.com

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BUS 308 HELPS Learn by Doing/
bus308helps.com
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BUS 308 HELPS Learn by Doing
BUS 308 Entire Course (Ash Course)   FOR MORE
CLASSES VISIT www.bus308helps.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)
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BUS 308 HELPS Learn by Doing
BUS 308 Week 1 DQ 1 Language   FOR MORE CLASSES
VISIT www.bus308helps.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
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BUS 308 HELPS Learn by Doing
BUS 308 Week 1 DQ 2 Probability   FOR MORE
CLASSES VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 1 Problem Set   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 1 Quiz (New)   FOR MORE CLASSES
VISIT www.bus308helps.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. 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 1 Quiz   FOR MORE CLASSES
VISIT www.bus308helps.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?
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BUS 308 HELPS Learn by Doing
BUS 308 Week 2 DQ 1 Hypotheses   FOR MORE CLASSES
VISIT www.bus308helps.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 HELPS Learn by Doing
BUS 308 Week 2 DQ 2 Variation   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 2 Problem Set   FOR MORE CLASSES
VISIT www.bus308helps.com Problem Set Week Two
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 Included in
the Week Two tab of theEmployee Salary 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 2 Quiz (New)   FOR MORE CLASSES
VISIT www.bus308helps.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. 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 2 Quiz   FOR MORE CLASSES
VISIT www.bus308helps.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?
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BUS 308 HELPS Learn by Doing
BUS 308 Week 3 DQ 1 ANOVA   FOR MORE CLASSES
VISIT www.bus308helps.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, 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 3 DQ 2 Effect Size   FOR MORE
CLASSES VISIT www.bus308helps.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 HELPS Learn by Doing
BUS 308 Week 3 Problem Set   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 4 DQ 1 Confidence Intervals   FOR
MORE CLASSES VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 4 DQ 2 Chi-Square Tests   FOR MORE
CLASSES VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 4 Problem Set   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 4 Quiz (New)   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 4 Quiz   FOR MORE CLASSES
VISIT www.bus308helps.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?
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BUS 308 HELPS Learn by Doing
BUS 308 Week 5 DQ 1 Correlation   FOR MORE
CLASSES VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 5 DQ 2 Regression   FOR MORE CLASSES
VISIT www.bus308helps.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, 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 5 Final Paper (2 Papers)   FOR MORE
CLASSES VISIT www.bus308helps.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, 
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BUS 308 HELPS Learn by Doing
BUS 308 Week 5 Problem Set   FOR MORE CLASSES
VISIT www.bus308helps.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 
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BUS 308 HELPS Learn by Doing