BUS 308 All Assignments and DQs (Ash)

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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 2 DQ 1 BUS 308 Week 2 DQ 2 BUS 308 Week 3 DQ 1 BUS 3..
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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 o..
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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. ..
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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..
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BUS 308 Week 1 Quiz 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 Question 4. A probability is found by dividing the number of poss..
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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. Part One – Hypothesis Testing Read Lecture Four. Lecture Four starts out with the..
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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..
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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 ..
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BUS 308 Week 2 Quiz 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 on..
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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—or at least understand—a number..
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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. ..
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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. The first question asks us to determine if the average compa-ratio is equa..
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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..
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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 Ne..
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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. ..
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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. The first question this week looks at correlations and the creation of a correlation table for our variables. The second question asks for..
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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. Question 3. A p-valu..
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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..
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What are common mistakes in linear regression analysis? ..
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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 address is: “What have you learned about statistics?” In developing your responses, consider – at a minimum – a..
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ASSIGNMENT WEEK 5 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)?..
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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. Question 3. The percent confidence interv..
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