Title: BUS 308 HELPS GREAT WISDOM \bus308helps.com
1BUS 308 HELPS GREAT WISDOM\bus308helps.com
2BUS 308 HELPS GREAT WISDOM
BUS 308 Entire Course (New) FOR MORE CLASSES
VISIT www.bus308helps.com BUS 308 Week 1 DQ 1
Language BUS 308 Week 1 DQ 2 Probability BUS
308 Week 1 Quiz BUS 308 Week 1 Problem Set
3BUS 308 HELPS GREAT WISDOM
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 or inferential data, and what is the
difference between these?
4BUS 308 HELPS GREAT WISDOM
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 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
5BUS 308 HELPS GREAT WISDOM
BUS 308 Week 1 Problem Set FOR MORE CLASSES
VISIT www.bus308helps.com 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
6BUS 308 HELPS GREAT WISDOM
BUS 308 Week 1 Quiz (New) FOR MORE CLASSES
VISIT www.bus308helps.com 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
7BUS 308 HELPS GREAT WISDOM
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.
8BUS 308 HELPS GREAT WISDOM
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?
9BUS 308 HELPS GREAT WISDOM
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 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 re
10BUS 308 HELPS GREAT WISDOM
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 Data Set
are 2 one-sample t-tests comparing male and
female average
11BUS 308 HELPS GREAT WISDOM
BUS 308 Week 2 Quiz (New) FOR MORE CLASSES
VISIT www.bus308helps.com 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
12BUS 308 HELPS GREAT WISDOM
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,
13BUS 308 HELPS GREAT WISDOM
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
14BUS 308 HELPS GREAT WISDOM
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?
15BUS 308 HELPS GREAT WISDOM
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 to below the analysis results.) 1. Last
week, we found that the average performance
ratings do not differ between males and females
in the population. Now we need to see
16BUS 308 HELPS GREAT WISDOM
BUS 308 Week 4 DQ 1 Confidence Intervals FOR
MORE CLASSES VISIT www.bus308helps.com Discussio
n 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
17BUS 308 HELPS GREAT WISDOM
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 that you might
want to check using the chi-square tests? What
would these results tell you?
18BUS 308 HELPS GREAT WISDOM
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
19BUS 308 HELPS GREAT WISDOM
BUS 308 Week 4 Quiz (New) FOR MORE CLASSES
VISIT www.bus308helps.com 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
20BUS 308 HELPS GREAT WISDOM
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
21BUS 308 HELPS GREAT WISDOM
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 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 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, appraisal rating,
education level, etc. What variables might
explain or predict an outcome in your department
or life? If you generated a regression
23BUS 308 HELPS GREAT WISDOM
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
24BUS 308 HELPS GREAT WISDOM
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
25BUS 308 HELPS GREAT WISDOM