BUS 308 Entire Course (Ash Course) FOR MORE CLASSES VISIT 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 1 DQ 1 Language FOR MORE CLASSES VISIT 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

BUS 308 Week 1 DQ 2 Probability FOR MORE CLASSES VISIT 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

BUS 308 Week 1 Problem Set FOR MORE CLASSES VISIT 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

BUS 308 Week 1 Quiz (New) FOR MORE CLASSES VISIT 1. Question : In statistical notation, M is to μ as s is to σ. 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.

BUS 308 Week 1 Quiz FOR MORE CLASSES VISIT 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?

BUS 308 Week 2 DQ 1 Hypotheses FOR MORE CLASSES VISIT 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 can’t we just make our decisions by the sample value?

BUS 308 Week 2 DQ 2 Variation FOR MORE CLASSES VISIT 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

BUS 308 Week 2 Problem Set FOR MORE CLASSES VISIT 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

BUS 308 Week 2 Quiz (New) FOR MORE CLASSES VISIT 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.

BUS 308 Week 2 Quiz FOR MORE CLASSES VISIT 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?

BUS 308 Week 3 DQ 1 ANOVA FOR MORE CLASSES VISIT 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,

BUS 308 Week 3 DQ 2 Effect Size FOR MORE CLASSES VISIT 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?

BUS 308 Week 3 Problem Set FOR MORE CLASSES VISIT 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

BUS 308 Week 4 DQ 1 Confidence Intervals FOR MORE CLASSES VISIT 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

BUS 308 Week 4 DQ 2 Chi-Square Tests FOR MORE CLASSES VISIT 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

BUS 308 Week 4 Problem Set FOR MORE CLASSES VISIT ASSIGNMENT WEEK 4 Let’s 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

BUS 308 Week 4 Quiz (New) FOR MORE CLASSES VISIT 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

BUS 308 Week 4 Quiz FOR MORE CLASSES VISIT 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?

BUS 308 Week 5 DQ 1 Correlation FOR MORE CLASSES VISIT 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

BUS 308 Week 5 DQ 2 Regression FOR MORE CLASSES VISIT Discussion 5-2/Regression At times we can generate a regression equation to explain outcomes. For example, an employee’s salary can often be explained by their pay grade,

BUS 308 Week 5 Final Paper (2 Papers) FOR MORE CLASSES VISIT 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,

BUS 308 Week 5 Problem Set FOR MORE CLASSES VISIT 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