A sample of 33 companies was randomly selected and data collected on the average annual bonus, turnover rate (%), and trust index (measured on a scale of 0 – 100).  According to the output is shown below, what is the estimated multiple regression model?  

A consumer research group is interested in how older drivers view hybrid cars.  Specifically, they wish to assess the percentage of drivers in the U.S. 50 years of age or older who intend to purchase a hybrid in the next two years.  They selected a systematic sample from a list of AARP (American Association of Retired Persons) members.  Based on this sample, they estimated the percentage to be 17%.  The sampling frame for this study is ________________________ .

Selling price and amount spent advertising were entered into a multiple regression to determine what affects flat panel LCD TV sales.  Use the output shown below, calculate the amount of variability in Sales is explained by the estimated multiple regression model.  

As the carbon content in steel increases, its ductility tends to decrease.  A researcher at a steel company measures carbon content and ductility for a sample of 15 types of steel.  Based on these data he obtained the following regression results, which of the following statements is NOT true?  

A small independent organic food store offers a variety of specialty coffees.  To determine whether price has an impact on sales, the managers kept track of how many pounds of each variety of coffee were sold last month.  Based on the scatterplot shown below, which of the following statements is true?  

Selling price and amount spent advertising were entered into a multiple regression to determine what affects flat panel LCD TV sales.  The plot of residuals versus predicted values is shown below.  What does the residual plot suggest?  

During the arrangement conference, the Funeral Director bombards the family with questions. This behavior is considered to be:

EU (European Union) countries report that 46% of their labor force is female. The United Nations wants to determine if the percentage of females in the U.S. labor force is the same.  Representatives from the United States Department of Labor select a random sample of 525 from over 10,000 employment records on file and find that 229 are female.  The 90% confidence interval for the proportion of females in the U.S. labor force is ________________________ .

The scatterplot shows monthly sales figures (in units) and number of months of experience for a sample of salespeople.    The association between monthly sales and level of experience can be described as  ________________________ .

Using the output below, calculate the predicted turnover rate for a company having a trust index score of 70 and an average annual bonus of $6500.