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# BUS 308 Learn/newtonhelp.com - PowerPoint PPT Presentation

BUS 308 course provides students with the opportunity to integrate and apply their learning from the course.

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### BUS 308 Entire Course (New)

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BUS 308 Week 2 Problem Set

BUS 308 Week 3 Problem Set (Anova)

BUS 308 Week 4 Problem Set (Regression and Correlation)

BUS 308 Week 5 Final Paper Statistics Reflection (2 Papers)

BUS 308 Week 1 DQ 1

BUS 308 Week 1 DQ 2

### BUS 308 Week 1 DQ 1

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Part Two – Data Characteristics

Read Lecture One on descriptive data and review the Employee Data . Be sure to familiarize yourself with the different variables shown on the Data tab. In this course, we will be using the Employee Data and statistical tools to answer a single research question: In our BUS308 company, are the males and females paid equally for equal work?

### BUS 308 Week 1 DQ 2

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DQ #2: Webliography

Post a question that you had related to the material this week. Conduct research to provide the answer to the question and provide the source.

### BUS 308 Week 1 Problem Set

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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..

### BUS 308 Week 1 Quiz (2 Set)

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Question 1.  Calculating the median requires data of at least what level ?

Question 2.  If sales data are reported in dollar values, what is the scale of the data ?

Question 3.  Empirical probability is

### BUS 308 Week 2 DQ 1

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DQ #1: Hypothesis Testing / T-tests / F-test

Although the initial post is due on Day 5, you are encouraged to start working on it early, as it is a three-part discussion that should be completed in sequential order.

### BUS 308 Week 2 DQ 2

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Post a question that you had related to the material this week. Conduct research to provide the answer to the question and provide the source

### BUS 308 Week 2 Problem Set

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Before starting this assignment, make sure the the assignment data from the Employee Salary Data Set file is copied over to this Assignment file. You can do this either by a copy and paste of all the columns or by opening the data file, right clicking on the Data tab, selecting Move or Copy, and copying the entire sheet to this file (Weekly Assignment Sheet or whatever you are calling your master assignment file).

### BUS 308 Week 2 Quiz (3 Set)

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Question 1. To find the z-score of a value, which Excel function could be used?

Question 2.  Which statement is not true?

Question 3.  What is the alternate hypothesis in a problem where sales group two is predicted to be “…significantly less productive than sales group one?”

### BUS 308 Week 3 DQ 1

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Part One – Multiple Testing

Read Lecture Seven. The lectures from last week and Lecture Seven discuss issues around using a single test versus multiple uses of the same tests to answer questions about mean equality between groups. This suggests that we need to master

### BUS 308 Week 3 DQ 2

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DQ #2: Webliography

Post a question that you had related to the material this week. Conduct research to provide the answer to the question and provide the source.

### BUS 308 Week 3 Problem Set (Anova)

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During this week, we will look at ways of testing multiple (more than two) data samples at the same time.

We will continue to use the data and assignment file that we opened in Week 2, we just move on to the Week 3 tab.

### BUS 308 Week 3 Quiz (3 Set)

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BUS 308 Week 3 Quiz

Question 1.  A single factor ANOVA output includes information on

Question 2.  ANOVA tests for variance differences

Question 3.  Excel’s single factor ANOVA does not have a related Effect Size measure associated with it.

Question 4.  The effect size measure for the single factor ANVOA is called eta squared and equals the SS Between/SS Total.

### BUS 308 Week 4 DQ 1

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Part One – Correlation

Read Lecture Ten. Lecture Ten introduces the idea that different variables may move together—sometimes due to causation and at other times due to an unknown influence. An example involves the perfect (+1.0) correlation between annual number of rum barrels imported into the New England region of the U.S. between the years 1790 and 1820

### BUS 308 Week 4 DQ 2

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DQ #2: Webliography

Post a question that you had related to the material this week. Conduct research to provide the answer to the question and provide the source.

### BUS 308 Week 4 Problem Set (Regression and Correlation)

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Problem Set Week Four

This week we get to answer our equal pay for equal work question by looking at relationships between and among the different variables.

### BUS 308 Week 4 Quiz (3 Set)

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BUS 308 Week 4 Quiz

Question 1.  The t Stat value is used to determine the statistical significance of each of the variables listed in a regression analysis.

Question 2.  A correlation of .90 and above is generally considered too strong to be of any practical significance.

### BUS 308 Week 5 DQ 1

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Part One – Confidence Intervals

Read Lecture Thirteen. Lecture Thirteen introduces you to confidence intervals. What is a confidence interval, and why do some prefer them to single point estimates? Ask your manager what is preferred and why? What are the strengths and weaknesses of using confidence intervals in making decisions? (This should be started on Day 1.)

### BUS 308 Week 5 DQ 2

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What are common mistakes in linear regression analysis?

### BUS 308 Week 5 Final Paper Statistics Reflection (2 Papers)

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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

### BUS 308 Week 5 Problem Set

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1. Create a correlation table for the variables in our  (Use analysis ToolPak or StatPlus:mac LE function Correlation).

a. Reviewing the data levels from week 1, what variables can be used in a Pearson’s Correlation Table (which is what Excel produces)?

b. Place the table here.

### BUS 308 Week 5 Quiz (3 Set)

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BUS 308 Week 5 Quiz

Question 1.  Compared to the ANOVA test, Chi Square procedures are not powerful (able to detect small differences).

Question 2.  In confidence intervals, the width of the interval depends only on the variation within the data set.