GB 513 Unit 4 Assignment
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Question 1
Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a sevenyear period according to the U.S. Census Bureau. Use these data to run a linear regression and then forecast the rental and leasing revenue for the year 2012.
Year Rental and Leasing ($ millions)
 2004 5,860
 2005 6,632
 2006 7,125
 2007 6,000
 2008 4,380
 2009 3,326
 2010 2,642
Question 2
Suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a scale from 0 to 100 (with 100 being perfectly satisfied). Suppose the following data represent the results of this survey. Assume that relationship with supervisor is rated on a scale from 0 to 50 (0 represents poor relationship and 50 represents an excellent relationship), overall quality of the work environment is rated on a scale from 0 to 100 (0 represents poor work environment and 100 rep resents an excellent work environment), and opportunities for advancement is rated on a scale from 0 to 50 (0 represents no opportunities and 50 represents excellent opportunities).
Answer the following questions:
A) What is the regression formula?
B) How reliable do you think the estimates will be based on this formula? How can you tell?
C) Are there any variables that do not appear to be good predictors of Job satisfaction? How can
you tell?
D) If a new employee reports that her relationship with her supervisor is 40, finds the quality of the work environment to be scored at 75, works 60 hours per week and rates her opportunities for advancement to be at 30, what would you expect her job satisfaction score to be?
Job satisfaction
55
20
85
65
45
70
35
60
95
65
85
10
75
80
50
90
75
45
65
Relationship with supervisor
Overall quality of work environment
Total hours worked per week
Opportunities for advancement
Question 3
27 65 12 13 40 79 35 53 29 43 42 62 22 18 34 75 50 84 33 68 40 72 510 37 64 42 82 31 46 47 95 36 82 20 42 32 73
50 42 60 28 45 7 65 48 40 32 50 41 75 18 40 32 45 48 60 11 55 33 50 21 45 42 40 46 60 48 55 30 70 39 40 22 55 12
Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is, bonds perform well when lending rates are down and perform poorly when interest rates are up. Can the bond rate be predicted by the prime interest rate?
Use the following data to construct a scatter graph and then fit a regression line to the data. Report the regression formula and the rsquared value from the chart (right click on the line, select “Add Trendline” and select options to show these metrics).
Bond Rate Prime Interest Rate
5% 16% 12 6 98
15 4 77
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This is your final project. You will prepare a PowerPoint
presentation to present your findings. This assignment requires you to use Excel; make sure you also submit the Excel file to show your work. Place all calculations for each of the questions on a separate worksheet. Then, using the resul..

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Question 1
Determine the error for each of the following forecasts. Compute MAD and MSE.
Period Value Forecast Error
1
2
3
4
5
6
7
8
9
10
11
Question 2
202— — 191 202
173 192
169 181
171 174 175 172 182 174 196 179 204 189 219 198 227 211
..

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Question 1
A group of investors wants to develop a chain of fastfood restaurants. In determining potential costs for each facility, they must consider, among other expenses, the average monthly electric bill. They decide to sample some fastfood restaurants currently operating to estimate th..

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Question 1
An Adweek Media/Harris Poll revealed that 44% of U.S. adults in the 18–34 years category think that “Made in America” ads boost sales. A different Harris Interactive poll showed that 78% of U.S. adults in the 18–34 years category use social media online. Suppose that 85% ..

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This assignment requires you to use Excel to answer the questions and create the charts. However when presenting reports in business, you will find that most managers will prefer to read Word® documents or PowerPoint® slides rather than go through Excel sheets. Being able to move your work from E..

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