BUS 308(NEW) Your world/uophelp.com

BUS 308 Your world/uophelp.com For more course tutorials visit www.uophelp.com

BUS 308 Entire Course (New) For more course tutorials visit www.uophelp.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

BUS 308 Week 1 DQ 1 Language For more course tutorials visit www.uophelp.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 i

BUS 308 Week 1 DQ 2 Probability For more course tutorials visit www.uophelp.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

BUS 308 Week 1 Problem Set For more course tutorials visit www.uophelp.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 – nominal, ordinal, interval, or ratio. It is important to identify which leve

BUS 308 Week 1 Quiz (New) For more course tutorials visit www.uophelp.com • 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.

BUS 308 Week 1 Quiz For more course tutorials visit www.uophelp.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? • 4. Question : The standard error of the mean can be calculated by dividing μ by the square root of the number of values in

BUS 308 Week 2 DQ 1 Hypotheses For more course tutorials visit www.uophelp.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 can’t we just make our decisions by the

BUS 308 Week 2 DQ 2 Variation For more course tutorials visit www.uophelp.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 p

BUS 308 Week 2 Problem Set For more course tutorials visit www.uophelp.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-

BUS 308 Week 2 Quiz (New) For more course tutorials visit www.uophelp.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. Question : The desired sample size depends only the size of the pop

BUS 308 Week 2 Quiz For more course tutorials visit www.uophelp.com • . 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? • 3. Question : Which is the symbol used for th

BUS 308 Week 3 DQ 1 ANOVA For more course tutorials visit www.uophelp.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, factorial (called 2-factor with replication in Excel), and within-

BUS 308 Week 3 DQ 2 Effect Size For more course tutorials visit www.uophelp.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?

BUS 308 Week 4 DQ 1 Confidence Intervals For more course tutorials visit www.uophelp.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 provided in the previous discussion questions on this issue, how might

BUS 308 Week 4 DQ 2 Chi-Square Tests For more course tutorials visit www.uophelp.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?

BUS 308 Week 4 Problem Set For more course tutorials visit www.uophelp.com • 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 the

BUS 308 Week 4 Quiz (New) For more course tutorials visit www.uophelp.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 (observed) data. • Question 3. Question : While rejecting the null hypothesis for the goodne

BUS 308 Week 4 Quiz For more course tutorials visit www.uophelp.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 increas

BUS 308 Week 5 DQ 1 Correlation For more course tutorials visit www.uophelp.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 the

BUS 308 Week 5 DQ 2 Regression For more course tutorials visit www.uophelp.com • 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, appraisal rating, education level, etc. • What variables might explain or predict an out

BUS 308 Week 5 Final Paper (2 Papers) For more course tutorials visit www.uophelp.com • 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 – and discuss the application of each of the course elements in analyzing and making decisions about data (counts and/o

BUS 308 Week 5 Problem Set For more course tutorials visit www.uophelp.com • 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)? • b. Place the table here.

BUS 308 Your world/uophelp.com For more course tutorials visit www.uophelp.com

BUS 308(NEW) Your world/uophelp.com