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**QRB 501 Week 6 Learning Team Assignment Executive Management Presentation**

Prepare a 10- to 12-slide presentation for the Executive Management Team Assignment of your company in which you:

• Include a description of the current inventory system.

• Include the raw data used.

• Generate a frequency distribution of the data using Microsoft® Excel®.

• Generate a normal distribution of the data using Microsoft® Excel®.

• Compare the mode, median, and mean of the data.

• Compare the range with the standard deviation of the data.

Include speaker notes in which you explain:

• How the frequency distribution might be used to better understand and improve the inventory system.

• How the normal distribution might be used to better understand and improve the inventory system.

• Which measure of central tendency most accurately depicts the inventory data.

• Which measure of dispersion most accurately depicts the inventory data.

Format your presentation consistent with APA guidelines.

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**QRB 501 Week 6 DQ 2**

What skills do managers need today? Are these skills different from management skills of 50 years ago? Why?

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**QRB 501 Week 6 DQ 1**

What are the elements of a decision? How does statistical decision theory differ in conditions of certainty and uncertainty? When making a decision, can doing nothing be a valid alternative? Why? Please remember to cite your sources

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**QRB 501 Week 5 Learning Team Assignment Inventory Proposal Part III**

Select an inventory management problem that applies to your work or personal life.

Finish Preparing a project proposal in which you now:

• Use seasonal indices to analyze the inventory data.

• Use the slope-intercept formula to determine the annual increase in inventory.

• Provide monthly seasonal indices for the given data.

• Identify the busy months of year.

• Identify the slow months of year.

Construct a histogram of the inventory data using Microsoft® Excel®.

Forecast the future inventory costs using time value of money concepts.

Format your proposal consistent with APA guidelines.

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**QRB 501 Week 5 DQ 2**

What is the middle? If we have student scores of 4.0, 3.7, 3.7, 3.7, and 1.0, the average would be 3.2, whereas both the median and the mode would be 3.7. Is one of them truly in the middle? How dispersed is this list? That is, how much do the scores vary from the middle? Consider a routine task you do daily. Which matters most, the average time it takes to complete the task or the most frequent amount of time? How much does the time spent on the task vary? How would you go about finding the middle of the process?

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**QRB 501 Week 5 DQ 1**

Does all statistical data have a mean, median, or mode? Why? When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

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**QRB 501 Week 4 Learning Team Assignment Inventory Proposal Part II**

Select an inventory management problem that applies to your work or personal life.

Continue Preparing a project proposal in which you now:

Convert time series data collected in Week Two to seasonal indices. You may choose to use the University of Phoenix Material: Summer Historical Inventory Data or University of Phoenix Material: Winter Historical Inventory Data if the data you collected is insufficient.

Format your proposal consistent with APA guidelines.

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**QRB 501 Week 4 DQ 2**

Often in personal finance we want to know what our $1 investment today will be worth in 20 years. In business however, there is more concern with answering the question, “If I receive $100 in 5 years, what is that worth today?” To answer this question, modify the formula fv = pv*((1+i)^n) and use the reciprocal. Simply stated, the reciprocal of a number is 1 divided by the number; the reciprocal of 10, for example, is 1/10. In the formula above, we divide both sides by ((1+i)^n), which creates a new formula where the fv is multiplied by the reciprocal of the original: fv*(1/((1+i)^n))=pv. Select an interest rate and number of periods—be sure your numbers are different from other students who already answered this question—to calculate the present value of $100 received in the future. What would the value of $100 in the future be today given the interest rate and number of periods you selected?

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**QRB 501 Week 4 DQ 1**

How do you apply the time value of money concept to make decisions in your personal life? How might you use the Time Value of Money concept as a quantitative reasoning tool in business?

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**QRB 501 Week 3 Learning Team Assignment Inventory Proposal Part I**

Select an inventory management problem that applies to your work or personal life.

Prepare a project proposal in which you:

Describe the organization, the inventory problem it faces, and the expected benefits that are motivating the organization to implement a solution

Format your proposal consistent with APA guidelines.

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**QRB 501 Week 3 Individual Assignment Forecasting with Indices**

Select one organization from either your Week Two Learning Team Assignment assignment, University of Phoenix Material: Summer Historical Inventory Data, or University of Phoenix Material: Winter Historical Inventory Data to complete this assignment.

Convert the data from your chosen source into an index.

Use the time series data from your index to forecast inventory for next year.

Format your assignment consistent with APA guidelines.

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**QRB 501 Week 3 DQ 2**

What is the purpose of using correlation analysis? How might correlation analysis be used in business decisions or in strategy formulation and implementation? How might correlation analysis be misused to explain a cause-and-effect relationship?

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**QRB 501 Week 3 DQ 1**

Why are graphs and charts used to represent information? What distinguishes a histogram from a bar chart? What are some examples of grouped and ungrouped data? What would be the most appropriate graphical representation to show the dispersion of new home prices in a particular area? Why?

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**QRB 501 Week 2 Learning Team Assignment Inventory Systems Summary**

Write a summary which includes:

250- to 350-word description of each inventory system.

350- to 700-word comparison describing the advantages and disadvantages of each system.

Format your summary consistent with APA guidelines.

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**QRB 501 Week 2 DQ 2**

Access http://www.conference-board.org/economics/ConsumerConfidence.cfm. This is an index based on how people feel about the economy. All indexes are created in a similar fashion. A base is first selected. In this case, the base was 1985 and set at 100. Thus, if the index was at 57.2 in May 2008, and in October 1992 the index was at 54.6, are people feeling better or worse in 2008 than they did in 1992? If the index was at 62.8 in April 2008, what does that mean for May 2008?

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