# In this assignment, you will be assessed based on the following

In this assignment, you will be assessed based on the following outcome:

GB513-3: Predict business results by using quantitative methods.

Make sure to use the Unit 4 Assignment template from Course Documents when you turn in your answers.

This assignment requires you to use Excel in all three questions. Make sure you explain your answers and provide the regression output tables for Questions 1 and 2 as you are showing work in the template.

You still need to submit the Excel file you used to generate your answers, in addition to the report in Word. Failure to submit the Excel file will result in a 20 point deduction.

## Question 1

Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a 7-year period according to the U.S. Census Bureau. Use this data and the regression tool in the data analysis tool pack to run a linear regression.

Based on the formula you get from the regression output, answer the following questions:

a)  What is the forecast for the rental and leasing revenue for the year 2011?

b)  How confident are you in this forecast? Explain your answer by citing the relevant metrics. Do not just put down a number without explanation.

Year

Rental and Leasing

(\$ millions)

2004

5,860

2005

6,632

2006

6,543

2007

5,952

2008

5,732

2009

5,423

2010

4,589

## 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 their supervisor is rated on a scale from 0 to 50 (0 represents a 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 represents an excellent work environment); and opportunities for advancement is rated on a scale from 0 to 100 (0 represents no opportunities and 100 represents excellent opportunities).